56562089 has 2 divisors, whose sum is σ = 56562090. Its totient is φ = 56562088.

The previous prime is 56562059. The next prime is 56562113. The reversal of 56562089 is 98026565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32718400 + 23843689 = 5720^2 + 4883^2 .

It is a cyclic number.

It is not a de Polignac number, because 56562089 - 2⁸ = 56561833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56562029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28281044 + 28281045.

It is an arithmetic number, because the mean of its divisors is an integer number (28281045).

Almost surely, 2^56562089 is an apocalyptic number.

It is an amenable number.

56562089 is a deficient number, since it is larger than the sum of its proper divisors (1).

56562089 is an equidigital number, since it uses as much as digits as its factorization.

56562089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 56562089 is about 7520.7771539915. Note that the first 3 decimals coincide. The cubic root of 56562089 is about 383.8620222779.

The spelling of 56562089 in words is "fifty-six million, five hundred sixty-two thousand, eighty-nine".