56754265645 has 32 divisors (see below), whose sum is σ = 84983463936. Its totient is φ = 35348788800.

The previous prime is 56754265637. The next prime is 56754265651. The reversal of 56754265645 is 54656245765.

It is a happy number.

It is not a de Polignac number, because 56754265645 - 2³ = 56754265637 is a prime.

It is a super-3 number, since 3×56754265645³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387892 + ... + 513778.

It is an arithmetic number, because the mean of its divisors is an integer number (2655733248).

Almost surely, 2^56754265645 is an apocalyptic number.

56754265645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56754265645 is a deficient number, since it is larger than the sum of its proper divisors (28229198291).

56754265645 is a wasteful number, since it uses less digits than its factorization.

56754265645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127081.

The product of its digits is 30240000, while the sum is 55.

The spelling of 56754265645 in words is "fifty-six billion, seven hundred fifty-four million, two hundred sixty-five thousand, six hundred forty-five".