56575647031 has 2 divisors, whose sum is σ = 56575647032. Its totient is φ = 56575647030.

The previous prime is 56575646971. The next prime is 56575647047. The reversal of 56575647031 is 13074657565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56575647031 - 2⁷ = 56575646903 is a prime.

It is a super-2 number, since 2×56575647031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56575647061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28287823515 + 28287823516.

It is an arithmetic number, because the mean of its divisors is an integer number (28287823516).

Almost surely, 2^56575647031 is an apocalyptic number.

56575647031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56575647031 is an equidigital number, since it uses as much as digits as its factorization.

56575647031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 56575647031 in words is "fifty-six billion, five hundred seventy-five million, six hundred forty-seven thousand, thirty-one".