56232081 has 12 divisors (see below), whose sum is σ = 81381300. Its totient is φ = 37415520.

The previous prime is 56232067. The next prime is 56232083. The reversal of 56232081 is 18023265.

56232081 is a `hidden beast` number, since 562 + 3 + 20 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41486481 + 14745600 = 6441^2 + 3840^2 .

It is not a de Polignac number, because 56232081 - 2⁵ = 56232049 is a prime.

It is a super-2 number, since 2×56232081² = 6324093867181122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56232083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (6781775).

Almost surely, 2^56232081 is an apocalyptic number.

It is an amenable number.

56232081 is a deficient number, since it is larger than the sum of its proper divisors (25149219).

56232081 is a wasteful number, since it uses less digits than its factorization.

56232081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12096 (or 12093 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 56232081 is about 7498.8053048469. The cubic root of 56232081 is about 383.1140259536.

The spelling of 56232081 in words is "fifty-six million, two hundred thirty-two thousand, eighty-one".