56949860 has 72 divisors (see below), whose sum is σ = 133326648. Its totient is φ = 20416000.

The previous prime is 56949803. The next prime is 56949877. The reversal of 56949860 is 6894965.

It can be written as a sum of positive squares in 4 ways, for example, as 11035684 + 45914176 = 3322^2 + 6776^2 .

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, 244304 + ... + 244536.

It is an arithmetic number, because the mean of its divisors is an integer number (1851759).

Almost surely, 2^56949860 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 56949860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66663324).

56949860 is an abundant number, since it is smaller than the sum of its proper divisors (76376788).

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

56949860 is a wasteful number, since it uses less digits than its factorization.

56949860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 56949860 is about 7546.5131020889. The cubic root of 56949860 is about 384.7372356689.

The spelling of 56949860 in words is "fifty-six million, nine hundred forty-nine thousand, eight hundred sixty".