56876418 has 40 divisors (see below), whose sum is σ = 128654460. Its totient is φ = 18779040.

The previous prime is 56876399. The next prime is 56876431. The reversal of 56876418 is 81467865.

It is a happy number.

56876418 is a `hidden beast` number, since 568 + 76 + 4 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53538489 + 3337929 = 7317^2 + 1827^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16048 + ... + 19268.

Almost surely, 2^56876418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56876418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64327230).

56876418 is an abundant number, since it is smaller than the sum of its proper divisors (71778042).

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

56876418 is a wasteful number, since it uses less digits than its factorization.

56876418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3335 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 56876418 is about 7541.6455763978. The cubic root of 56876418 is about 384.5717800269.

The spelling of 56876418 in words is "fifty-six million, eight hundred seventy-six thousand, four hundred eighteen".