56878430 has 32 divisors (see below), whose sum is σ = 123892416. Its totient is φ = 18353664.

The previous prime is 56878429. The next prime is 56878441. The reversal of 56878430 is 3487865.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22709 + ... + 25088.

It is an arithmetic number, because the mean of its divisors is an integer number (3871638).

Almost surely, 2^56878430 is an apocalyptic number.

56878430 is an abundant number, since it is smaller than the sum of its proper divisors (67013986).

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

56878430 is a wasteful number, since it uses less digits than its factorization.

56878430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47828.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 56878430 is about 7541.7789678563. The cubic root of 56878430 is about 384.5763147083.

The spelling of 56878430 in words is "fifty-six million, eight hundred seventy-eight thousand, four hundred thirty".