56710516551 has 64 divisors (see below), whose sum is σ = 86459143680. Its totient is φ = 32776773120.

The previous prime is 56710516547. The next prime is 56710516579. The reversal of 56710516551 is 15561501765.

It is not a de Polignac number, because 56710516551 - 2² = 56710516547 is a prime.

It is a super-3 number, since 3×56710516551³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56710536551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73363801 + ... + 73364573.

It is an arithmetic number, because the mean of its divisors is an integer number (1350924120).

Almost surely, 2^56710516551 is an apocalyptic number.

56710516551 is a deficient number, since it is larger than the sum of its proper divisors (29748627129).

56710516551 is a wasteful number, since it uses less digits than its factorization.

56710516551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 56710516551 in words is "fifty-six billion, seven hundred ten million, five hundred sixteen thousand, five hundred fifty-one".