56446878 has 16 divisors (see below), whose sum is σ = 112976640. Its totient is φ = 18801816.

The previous prime is 56446799. The next prime is 56446909. The reversal of 56446878 is 87864465.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8683 + ... + 13721.

It is an arithmetic number, because the mean of its divisors is an integer number (7061040).

Almost surely, 2^56446878 is an apocalyptic number.

56446878 is an abundant number, since it is smaller than the sum of its proper divisors (56529762).

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

56446878 is a wasteful number, since it uses less digits than its factorization.

56446878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911.

The product of its digits is 1290240, while the sum is 48.

The square root of 56446878 is about 7513.1137353297. The cubic root of 56446878 is about 383.6012163237.

The spelling of 56446878 in words is "fifty-six million, four hundred forty-six thousand, eight hundred seventy-eight".