56043042 has 32 divisors (see below), whose sum is σ = 127595520. Its totient is φ = 16243920.

The previous prime is 56043041. The next prime is 56043047. The reversal of 56043042 is 24034065.

It is a super-2 number, since 2×56043042² = 6281645113227528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56043041) 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, 16942 + ... + 19977.

It is an arithmetic number, because the mean of its divisors is an integer number (3987360).

Almost surely, 2^56043042 is an apocalyptic number.

56043042 is an abundant number, since it is smaller than the sum of its proper divisors (71552478).

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

56043042 is a wasteful number, since it uses less digits than its factorization.

56043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36958.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56043042 is about 7486.1900857512. The cubic root of 56043042 is about 382.6842309571.

It can be divided in two parts, 5604 and 3042, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 56043042 in words is "fifty-six million, forty-three thousand, forty-two".