56451396 has 12 divisors (see below), whose sum is σ = 131719952. Its totient is φ = 18817128.

The previous prime is 56451379. The next prime is 56451401. The reversal of 56451396 is 69315465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×56451396² = 6373520220697632, which contains 22 as substring.

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, 2352130 + ... + 2352153.

Almost surely, 2^56451396 is an apocalyptic number.

It is an amenable number.

56451396 is an abundant number, since it is smaller than the sum of its proper divisors (75268556).

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

56451396 is a wasteful number, since it uses less digits than its factorization.

56451396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704290 (or 4704288 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 56451396 is about 7513.4144035851. The cubic root of 56451396 is about 383.6114505127.

The spelling of 56451396 in words is "fifty-six million, four hundred fifty-one thousand, three hundred ninety-six".