56310045381 has 24 divisors (see below), whose sum is σ = 87705858240. Its totient is φ = 34696814400.

The previous prime is 56310045367. The next prime is 56310045427. The reversal of 56310045381 is 18354001365.

56310045381 is a `hidden beast` number, since 563 + 10 + 0 + 4 + 5 + 3 + 81 = 666.

56310045381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56310045381 - 2¹⁵ = 56310012613 is a prime.

It is a super-2 number, since 2×56310045381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56310045881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4008825 + ... + 4022846.

It is an arithmetic number, because the mean of its divisors is an integer number (3654410760).

Almost surely, 2^56310045381 is an apocalyptic number.

It is an amenable number.

56310045381 is a deficient number, since it is larger than the sum of its proper divisors (31395812859).

56310045381 is a wasteful number, since it uses less digits than its factorization.

56310045381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031737 (or 8031734 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 56310045381 in words is "fifty-six billion, three hundred ten million, forty-five thousand, three hundred eighty-one".