56043878 has 16 divisors (see below), whose sum is σ = 93842496. Its totient is φ = 24881640.

The previous prime is 56043859. The next prime is 56043887. The reversal of 56043878 is 87834065.

It is a happy number.

It is a super-2 number, since 2×56043878² = 6281832522557768, which contains 22 as substring.

It is a congruent number.

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, 28676 + ... + 30567.

It is an arithmetic number, because the mean of its divisors is an integer number (5865156).

Almost surely, 2^56043878 is an apocalyptic number.

56043878 is a deficient number, since it is larger than the sum of its proper divisors (37798618).

56043878 is a wasteful number, since it uses less digits than its factorization.

56043878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59299.

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

The square root of 56043878 is about 7486.2459216887. The cubic root of 56043878 is about 382.6861337947.

The spelling of 56043878 in words is "fifty-six million, forty-three thousand, eight hundred seventy-eight".