56757375766 has 16 divisors (see below), whose sum is σ = 104782847904. Its totient is φ = 22453467264.

The previous prime is 56757375739. The next prime is 56757375791. The reversal of 56757375766 is 66757375765.

It is a junction number, because it is equal to n+sod(n) for n = 56757375698 and 56757375707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155926675 + ... + 155927038.

It is an arithmetic number, because the mean of its divisors is an integer number (6548927994).

Almost surely, 2^56757375766 is an apocalyptic number.

56757375766 is a deficient number, since it is larger than the sum of its proper divisors (48025472138).

56757375766 is a wasteful number, since it uses less digits than its factorization.

56757375766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311853735.

The product of its digits is 194481000, while the sum is 64.

Subtracting 56757375766 from its reverse (66757375765), we obtain a palindrome (9999999999).

The spelling of 56757375766 in words is "fifty-six billion, seven hundred fifty-seven million, three hundred seventy-five thousand, seven hundred sixty-six".