56550894 has 32 divisors (see below), whose sum is σ = 116049024. Its totient is φ = 18364320.

The previous prime is 56550889. The next prime is 56550919. The reversal of 56550894 is 49805565.

It is a super-2 number, since 2×56550894² = 6396007224398472, which contains 22 as substring.

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, 51289 + ... + 52379.

It is an arithmetic number, because the mean of its divisors is an integer number (3626532).

Almost surely, 2^56550894 is an apocalyptic number.

56550894 is an abundant number, since it is smaller than the sum of its proper divisors (59498130).

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

56550894 is a wasteful number, since it uses less digits than its factorization.

56550894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 56550894 is about 7520.0328456729. The cubic root of 56550894 is about 383.8366954264.

The spelling of 56550894 in words is "fifty-six million, five hundred fifty thousand, eight hundred ninety-four".