56706437775 has 24 divisors (see below), whose sum is σ = 100966541200. Its totient is φ = 27917015040.

The previous prime is 56706437761. The next prime is 56706437789. The reversal of 56706437775 is 57773460765.

It is an interprime number because it is at equal distance from previous prime (56706437761) and next prime (56706437789).

It is not a de Polignac number, because 56706437775 - 2⁵ = 56706437743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29079250 + ... + 29081199.

Almost surely, 2^56706437775 is an apocalyptic number.

56706437775 is a deficient number, since it is larger than the sum of its proper divisors (44260103425).

56706437775 is a wasteful number, since it uses less digits than its factorization.

56706437775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58160475 (or 58160470 counting only the distinct ones).

The product of its (nonzero) digits is 25930800, while the sum is 57.

The spelling of 56706437775 in words is "fifty-six billion, seven hundred six million, four hundred thirty-seven thousand, seven hundred seventy-five".