56900043 has 16 divisors (see below), whose sum is σ = 86576160. Its totient is φ = 36907488.

The previous prime is 56900029. The next prime is 56900083. The reversal of 56900043 is 34000965.

It is a happy number.

It is not a de Polignac number, because 56900043 - 2⁶ = 56899979 is a prime.

It is a super-2 number, since 2×56900043² = 6475229786803698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (56900023) 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, 27480 + ... + 29477.

It is an arithmetic number, because the mean of its divisors is an integer number (5411010).

Almost surely, 2^56900043 is an apocalyptic number.

56900043 is a deficient number, since it is larger than the sum of its proper divisors (29676117).

56900043 is a wasteful number, since it uses less digits than its factorization.

56900043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57003 (or 56997 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56900043 is about 7543.2117165038. The cubic root of 56900043 is about 384.6250197289.

The spelling of 56900043 in words is "fifty-six million, nine hundred thousand, forty-three".