56371445778 has 32 divisors (see below), whose sum is σ = 114532456896. Its totient is φ = 18493325568.

The previous prime is 56371445777. The next prime is 56371445791. The reversal of 56371445778 is 87754417365.

It is not an unprimeable number, because it can be changed into a prime (56371445777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66750 + ... + 342342.

It is an arithmetic number, because the mean of its divisors is an integer number (3579139278).

Almost surely, 2^56371445778 is an apocalyptic number.

56371445778 is an abundant number, since it is smaller than the sum of its proper divisors (58161011118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56371445778 is a wasteful number, since it uses less digits than its factorization.

56371445778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276138.

The product of its digits is 19756800, while the sum is 57.

The spelling of 56371445778 in words is "fifty-six billion, three hundred seventy-one million, four hundred forty-five thousand, seven hundred seventy-eight".