56589877 has 2 divisors, whose sum is σ = 56589878. Its totient is φ = 56589876.

The previous prime is 56589823. The next prime is 56589893. The reversal of 56589877 is 77898565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42497361 + 14092516 = 6519^2 + 3754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56589877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56587877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28294938 + 28294939.

It is an arithmetic number, because the mean of its divisors is an integer number (28294939).

Almost surely, 2^56589877 is an apocalyptic number.

It is an amenable number.

56589877 is a deficient number, since it is larger than the sum of its proper divisors (1).

56589877 is an equidigital number, since it uses as much as digits as its factorization.

56589877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 55.

The square root of 56589877 is about 7522.6243426081. The cubic root of 56589877 is about 383.9248736314.

The spelling of 56589877 in words is "fifty-six million, five hundred eighty-nine thousand, eight hundred seventy-seven".