56758885765 has 16 divisors (see below), whose sum is σ = 68240624256. Its totient is φ = 45320558400.

The previous prime is 56758885739. The next prime is 56758885787.

56758885765 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-56758885765 is a prime.

It is a super-2 number, since 2×56758885765² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56758885694 and 56758885703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6238870 + ... + 6247960.

It is an arithmetic number, because the mean of its divisors is an integer number (4265039016).

Almost surely, 2^56758885765 is an apocalyptic number.

It is an amenable number.

56758885765 is a deficient number, since it is larger than the sum of its proper divisors (11481738491).

56758885765 is a wasteful number, since it uses less digits than its factorization.

56758885765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340.

The product of its digits is 564480000, while the sum is 70.

The spelling of 56758885765 in words is "fifty-six billion, seven hundred fifty-eight million, eight hundred eighty-five thousand, seven hundred sixty-five".