56258777 has 2 divisors, whose sum is σ = 56258778. Its totient is φ = 56258776.

The previous prime is 56258773. The next prime is 56258809. The reversal of 56258777 is 77785265.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29333056 + 26925721 = 5416^2 + 5189^2 .

It is a cyclic number.

It is not a de Polignac number, because 56258777 - 2² = 56258773 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56258771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28129388 + 28129389.

It is an arithmetic number, because the mean of its divisors is an integer number (28129389).

Almost surely, 2^56258777 is an apocalyptic number.

It is an amenable number.

56258777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56258777 is an equidigital number, since it uses as much as digits as its factorization.

56258777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 47.

The square root of 56258777 is about 7500.5851105097. The cubic root of 56258777 is about 383.1746437467.

The spelling of 56258777 in words is "fifty-six million, two hundred fifty-eight thousand, seven hundred seventy-seven".