56882521 has 2 divisors, whose sum is σ = 56882522. Its totient is φ = 56882520.

The previous prime is 56882503. The next prime is 56882533. The reversal of 56882521 is 12528865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 7728400 = 7011^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 56882521 - 2⁷ = 56882393 is a prime.

It is not a weakly prime, because it can be changed into another prime (56882321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28441260 + 28441261.

It is an arithmetic number, because the mean of its divisors is an integer number (28441261).

Almost surely, 2^56882521 is an apocalyptic number.

It is an amenable number.

56882521 is a deficient number, since it is larger than the sum of its proper divisors (1).

56882521 is an equidigital number, since it uses as much as digits as its factorization.

56882521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 37.

The square root of 56882521 is about 7542.0501854602. The cubic root of 56882521 is about 384.5855347470.

The spelling of 56882521 in words is "fifty-six million, eight hundred eighty-two thousand, five hundred twenty-one".