52285305537 has 6 divisors (see below), whose sum is σ = 75523219122. Its totient is φ = 34856870352.

The previous prime is 52285305533. The next prime is 52285305551. The reversal of 52285305537 is 73550358225.

It is a happy number.

52285305537 is a `hidden beast` number, since 5 + 2 + 2 + 85 + 30 + 5 + 537 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33086154816 + 19199150721 = 181896^2 + 138561^2 .

It is not a de Polignac number, because 52285305537 - 2² = 52285305533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52285305492 and 52285305501.

It is not an unprimeable number, because it can be changed into a prime (52285305533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2904739188 + ... + 2904739205.

It is an arithmetic number, because the mean of its divisors is an integer number (12587203187).

Almost surely, 2^52285305537 is an apocalyptic number.

It is an amenable number.

52285305537 is a deficient number, since it is larger than the sum of its proper divisors (23237913585).

52285305537 is a wasteful number, since it uses less digits than its factorization.

52285305537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809478399 (or 5809478396 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 52285305537 in words is "fifty-two billion, two hundred eighty-five million, three hundred five thousand, five hundred thirty-seven".