56522948904 has 96 divisors (see below), whose sum is σ = 159671322720. Its totient is φ = 18731964096.

The previous prime is 56522948903. The next prime is 56522948917. The reversal of 56522948904 is 40984922565.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (56522948903) 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, 252279 + ... + 420345.

It is an arithmetic number, because the mean of its divisors is an integer number (1663242945).

Almost surely, 2^56522948904 is an apocalyptic number.

56522948904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56522948904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79835661360).

56522948904 is an abundant number, since it is smaller than the sum of its proper divisors (103148373816).

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

56522948904 is a wasteful number, since it uses less digits than its factorization.

56522948904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168261 (or 168245 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 56522948904 in words is "fifty-six billion, five hundred twenty-two million, nine hundred forty-eight thousand, nine hundred four".