56043870 has 32 divisors (see below), whose sum is σ = 140355072. Its totient is φ = 14295072.

The previous prime is 56043859. The next prime is 56043887. The reversal of 56043870 is 7834065.

It is a Curzon 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, 39922 + ... + 41301.

It is an arithmetic number, because the mean of its divisors is an integer number (4386096).

Almost surely, 2^56043870 is an apocalyptic number.

56043870 is an abundant number, since it is smaller than the sum of its proper divisors (84311202).

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

56043870 is a wasteful number, since it uses less digits than its factorization.

56043870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81256.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 56043870 is about 7486.2453873754. The cubic root of 56043870 is about 382.6861155858.

The spelling of 56043870 in words is "fifty-six million, forty-three thousand, eight hundred seventy".