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53023061553 = 37211151397547
BaseRepresentation
bin110001011000011010…
…111011011000110001
312001212021020121110120
4301120122323120301
51332042400432203
640205232120453
73554650405200
oct613032733061
9161767217416
1053023061553
112053a154a30
12a339396129
13500016a047
1427d001b237
1515a4e91b53
hexc586bb631

53023061553 has 96 divisors (see below), whose sum is σ = 90703346688. Its totient is φ = 27243216000.

The previous prime is 53023061549. The next prime is 53023061653. The reversal of 53023061553 is 35516032035.

53023061553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53023061553 - 22 = 53023061549 is a prime.

It is a super-2 number, since 2×530230615532 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (53023061503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96934026 + ... + 96934572.

It is an arithmetic number, because the mean of its divisors is an integer number (944826528).

Almost surely, 253023061553 is an apocalyptic number.

It is an amenable number.

53023061553 is a deficient number, since it is larger than the sum of its proper divisors (37680285135).

53023061553 is a wasteful number, since it uses less digits than its factorization.

53023061553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 53023061553 its reverse (35516032035), we get a palindrome (88539093588).

The spelling of 53023061553 in words is "fifty-three billion, twenty-three million, sixty-one thousand, five hundred fifty-three".

Divisors: 1 3 7 11 21 33 49 77 147 151 231 397 453 539 547 1057 1191 1617 1641 1661 2779 3171 3829 4367 4983 6017 7399 8337 11487 11627 13101 18051 19453 22197 26803 30569 34881 42119 58359 59947 80409 81389 82597 91707 126357 179841 213983 217159 244167 247791 294833 419629 578179 641949 651477 659417 884499 908567 1258887 1520113 1734537 1978251 2388749 2725701 2937403 4047253 4560339 4615919 6359969 7166247 8812209 10640791 12141759 13847757 16721243 19079907 31922373 32311433 32791009 44519783 50163729 96934299 98373027 117048701 133559349 229537063 351146103 360701099 688611189 1082103297 1606759441 2524907693 4820278323 7574723079 17674353851 53023061553