56885251 has 4 divisors (see below), whose sum is σ = 56980504. Its totient is φ = 56790000.

The previous prime is 56885219. The next prime is 56885261. The reversal of 56885251 is 15258865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15258865 = 5 ⋅3051773.

It is a cyclic number.

It is not a de Polignac number, because 56885251 - 2⁵ = 56885219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56885261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46725 + ... + 47926.

It is an arithmetic number, because the mean of its divisors is an integer number (14245126).

Almost surely, 2^56885251 is an apocalyptic number.

56885251 is a deficient number, since it is larger than the sum of its proper divisors (95253).

56885251 is an equidigital number, since it uses as much as digits as its factorization.

56885251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95252.

The product of its digits is 96000, while the sum is 40.

The square root of 56885251 is about 7542.2311685601. The cubic root of 56885251 is about 384.5916872035.

The spelling of 56885251 in words is "fifty-six million, eight hundred eighty-five thousand, two hundred fifty-one".