56444518572 has 48 divisors (see below), whose sum is σ = 141882071520. Its totient is φ = 17361773568.

The previous prime is 56444518553. The next prime is 56444518577. The reversal of 56444518572 is 27581544465.

It is not an unprimeable number, because it can be changed into a prime (56444518577) 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, 423318 + ... + 540450.

It is an arithmetic number, because the mean of its divisors is an integer number (2955876490).

Almost surely, 2^56444518572 is an apocalyptic number.

56444518572 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56444518572 is an abundant number, since it is smaller than the sum of its proper divisors (85437552948).

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

56444518572 is a wasteful number, since it uses less digits than its factorization.

56444518572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120242 (or 120240 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 51.

The spelling of 56444518572 in words is "fifty-six billion, four hundred forty-four million, five hundred eighteen thousand, five hundred seventy-two".