56949564 has 72 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 15560160.

The previous prime is 56949559. The next prime is 56949577. The reversal of 56949564 is 46594965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11419 + ... + 15629.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 2^56949564 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 56949564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80668224).

56949564 is an abundant number, since it is smaller than the sum of its proper divisors (104386884).

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

56949564 is a wasteful number, since it uses less digits than its factorization.

56949564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255 (or 4246 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 56949564 is about 7546.4934903570. The cubic root of 56949564 is about 384.7365691035.

The spelling of 56949564 in words is "fifty-six million, nine hundred forty-nine thousand, five hundred sixty-four".