56811344 has 40 divisors (see below), whose sum is σ = 116087808. Its totient is φ = 26893440.

The previous prime is 56811343. The next prime is 56811347. The reversal of 56811344 is 44311865.

It is a self number, because there is not a number n which added to its sum of digits gives 56811344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56811341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22094 + ... + 24530.

Almost surely, 2^56811344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56811344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58043904).

56811344 is an abundant number, since it is smaller than the sum of its proper divisors (59276464).

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

56811344 is a wasteful number, since it uses less digits than its factorization.

56811344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2517 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 56811344 is about 7537.3300312511. The cubic root of 56811344 is about 384.4250573889.

The spelling of 56811344 in words is "fifty-six million, eight hundred eleven thousand, three hundred forty-four".