56638010 has 32 divisors (see below), whose sum is σ = 119774592. Its totient is φ = 19010880.

The previous prime is 56638007. The next prime is 56638013. The reversal of 56638010 is 1083665.

It is an interprime number because it is at equal distance from previous prime (56638007) and next prime (56638013).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56638013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18374 + ... + 21233.

It is an arithmetic number, because the mean of its divisors is an integer number (3742956).

Almost surely, 2^56638010 is an apocalyptic number.

56638010 is an abundant number, since it is smaller than the sum of its proper divisors (63136582).

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

56638010 is a wasteful number, since it uses less digits than its factorization.

56638010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39638.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 56638010 is about 7525.8228785961. The cubic root of 56638010 is about 384.0336929710.

The spelling of 56638010 in words is "fifty-six million, six hundred thirty-eight thousand, ten".