56510939564 has 6 divisors (see below), whose sum is σ = 98894144244. Its totient is φ = 28255469780.

The previous prime is 56510939557. The next prime is 56510939591. The reversal of 56510939564 is 46593901565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063867442 + ... + 7063867449.

It is an arithmetic number, because the mean of its divisors is an integer number (16482357374).

Almost surely, 2^56510939564 is an apocalyptic number.

It is an amenable number.

56510939564 is a deficient number, since it is larger than the sum of its proper divisors (42383204680).

56510939564 is a wasteful number, since it uses less digits than its factorization.

56510939564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14127734895 (or 14127734893 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 56510939564 in words is "fifty-six billion, five hundred ten million, nine hundred thirty-nine thousand, five hundred sixty-four".