56886440 has 32 divisors (see below), whose sum is σ = 137841480. Its totient is φ = 21004032.

The previous prime is 56886439. The next prime is 56886451. The reversal of 56886440 is 4468865.

It can be written as a sum of positive squares in 4 ways, for example, as 49477156 + 7409284 = 7034^2 + 2722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54179 + ... + 55218.

Almost surely, 2^56886440 is an apocalyptic number.

It is an amenable number.

56886440 is an abundant number, since it is smaller than the sum of its proper divisors (80955040).

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

56886440 is a wasteful number, since it uses less digits than its factorization.

56886440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109421 (or 109417 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 56886440 is about 7542.3099909776. The cubic root of 56886440 is about 384.5943667284.

The spelling of 56886440 in words is "fifty-six million, eight hundred eighty-six thousand, four hundred forty".