56423216 has 20 divisors (see below), whose sum is σ = 111987624. Its totient is φ = 27523200.

The previous prime is 56423201. The next prime is 56423239. The reversal of 56423216 is 61232465.

56423216 = T₄₁ + T₄₂ + ... + T₆₉₆.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42350 + ... + 43661.

Almost surely, 2^56423216 is an apocalyptic number.

It is an amenable number.

56423216 is a deficient number, since it is larger than the sum of its proper divisors (55564408).

56423216 is a wasteful number, since it uses less digits than its factorization.

56423216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86060 (or 86054 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 56423216 is about 7511.5388569853. The cubic root of 56423216 is about 383.5476081591.

Subtracting 56423216 from its reverse (61232465), we obtain a square (4809249 = 2193²).

The spelling of 56423216 in words is "fifty-six million, four hundred twenty-three thousand, two hundred sixteen".