56510740727 has 24 divisors (see below), whose sum is σ = 66587194800. Its totient is φ = 47813141376.

The previous prime is 56510740679. The next prime is 56510740733. The reversal of 56510740727 is 72704701565.

It is not a de Polignac number, because 56510740727 - 2²² = 56506546423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56510760727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2662724 + ... + 2683862.

It is an arithmetic number, because the mean of its divisors is an integer number (2774466450).

Almost surely, 2^56510740727 is an apocalyptic number.

56510740727 is a deficient number, since it is larger than the sum of its proper divisors (10076454073).

56510740727 is a wasteful number, since it uses less digits than its factorization.

56510740727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21855 (or 21848 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 56510740727 in words is "fifty-six billion, five hundred ten million, seven hundred forty thousand, seven hundred twenty-seven".