56286081 has 6 divisors (see below), whose sum is σ = 81302130. Its totient is φ = 37524048.

The previous prime is 56286079. The next prime is 56286127. The reversal of 56286081 is 18068265.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46457856 + 9828225 = 6816^2 + 3135^2 .

It is not a de Polignac number, because 56286081 - 2¹ = 56286079 is a prime.

It is a super-2 number, since 2×56286081² = 6336245828677122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56286281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3126996 + ... + 3127013.

It is an arithmetic number, because the mean of its divisors is an integer number (13550355).

Almost surely, 2^56286081 is an apocalyptic number.

It is an amenable number.

56286081 is a deficient number, since it is larger than the sum of its proper divisors (25016049).

56286081 is a wasteful number, since it uses less digits than its factorization.

56286081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254015 (or 6254012 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 56286081 is about 7502.4050143937. The cubic root of 56286081 is about 383.2366222737.

The spelling of 56286081 in words is "fifty-six million, two hundred eighty-six thousand, eighty-one".