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53557029 = 3219417639
BaseRepresentation
bin1100110001001…
…1011100100101
310201202222102200
43030103130211
5102202311104
65151525113
71220140641
oct314233445
9121688380
1053557029
1128260209
1215b29799
13b132466
147181c21
154a7db39
hex3313725

53557029 has 24 divisors (see below), whose sum is σ = 83428800. Its totient is φ = 32996160.

The previous prime is 53556989. The next prime is 53557033. The reversal of 53557029 is 92075535.

53557029 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 53557029 - 28 = 53556773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53556984 and 53557002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53557079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3192 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (3476200).

Almost surely, 253557029 is an apocalyptic number.

It is an amenable number.

53557029 is a deficient number, since it is larger than the sum of its proper divisors (29871771).

53557029 is a wasteful number, since it uses less digits than its factorization.

53557029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705 (or 7702 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 53557029 is about 7318.2668030074. The cubic root of 53557029 is about 376.9399416978.

The spelling of 53557029 in words is "fifty-three million, five hundred fifty-seven thousand, twenty-nine".

Divisors: 1 3 9 19 41 57 123 171 369 779 2337 7011 7639 22917 68751 145141 313199 435423 939597 1306269 2818791 5950781 17852343 53557029