56486329731 has 12 divisors (see below), whose sum is σ = 87867624208. Its totient is φ = 34760818224.

The previous prime is 56486329729. The next prime is 56486329793. The reversal of 56486329731 is 13792368465.

56486329731 is a `hidden beast` number, since 564 + 8 + 6 + 3 + 2 + 9 + 73 + 1 = 666.

It is not a de Polignac number, because 56486329731 - 2¹ = 56486329729 is a prime.

It is a super-2 number, since 2×56486329731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56486324731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241394455 + ... + 241394688.

Almost surely, 2^56486329731 is an apocalyptic number.

56486329731 is a deficient number, since it is larger than the sum of its proper divisors (31381294477).

56486329731 is a wasteful number, since it uses less digits than its factorization.

56486329731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482789162 (or 482789159 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 56486329731 in words is "fifty-six billion, four hundred eighty-six million, three hundred twenty-nine thousand, seven hundred thirty-one".