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53118853 is a prime number
BaseRepresentation
bin1100101010100…
…0011110000101
310200221201100221
43022220132011
5102044300403
65134304341
71213334314
oct312503605
9120851327
1053118853
1127a90a87
12159580b1
13b00ab98
1470aa27b
1549e3dbd
hex32a8785

53118853 has 2 divisors, whose sum is σ = 53118854. Its totient is φ = 53118852.

The previous prime is 53118839. The next prime is 53118887. The reversal of 53118853 is 35881135.

It is an a-pointer prime, because the next prime (53118887) can be obtained adding 53118853 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51523684 + 1595169 = 7178^2 + 1263^2 .

It is a cyclic number.

It is not a de Polignac number, because 53118853 - 29 = 53118341 is a prime.

It is a super-2 number, since 2×531188532 = 5643225088071218, which contains 22 as substring.

It is equal to p3176737 and since 53118853 and 3176737 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53118253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26559426 + 26559427.

It is an arithmetic number, because the mean of its divisors is an integer number (26559427).

Almost surely, 253118853 is an apocalyptic number.

It is an amenable number.

53118853 is a deficient number, since it is larger than the sum of its proper divisors (1).

53118853 is an equidigital number, since it uses as much as digits as its factorization.

53118853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 53118853 is about 7288.2681756368. The cubic root of 53118853 is about 375.9091493380.

Adding to 53118853 its reverse (35881135), we get a palindrome (88999988).

The spelling of 53118853 in words is "fifty-three million, one hundred eighteen thousand, eight hundred fifty-three".