57533660631 has 6 divisors (see below), whose sum is σ = 83104176480. Its totient is φ = 38355773748.

The previous prime is 57533660629. The next prime is 57533660659. The reversal of 57533660631 is 13606633575.

57533660631 is a `hidden beast` number, since 5 + 7 + 5 + 3 + 3 + 6 + 6 + 0 + 631 = 666.

It is not a de Polignac number, because 57533660631 - 2¹ = 57533660629 is a prime.

It is a super-2 number, since 2×57533660631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57533661631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3196314471 + ... + 3196314488.

It is an arithmetic number, because the mean of its divisors is an integer number (13850696080).

Almost surely, 2^57533660631 is an apocalyptic number.

57533660631 is a deficient number, since it is larger than the sum of its proper divisors (25570515849).

57533660631 is a wasteful number, since it uses less digits than its factorization.

57533660631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392628965 (or 6392628962 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 57533660631 in words is "fifty-seven billion, five hundred thirty-three million, six hundred sixty thousand, six hundred thirty-one".