56085977 has 2 divisors, whose sum is σ = 56085978. Its totient is φ = 56085976.

The previous prime is 56085959. The next prime is 56086013. The reversal of 56085977 is 77958065.

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., 44769481 + 11316496 = 6691^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 56085977 - 2¹⁴ = 56069593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56085877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28042988 + 28042989.

It is an arithmetic number, because the mean of its divisors is an integer number (28042989).

Almost surely, 2^56085977 is an apocalyptic number.

It is an amenable number.

56085977 is a deficient number, since it is larger than the sum of its proper divisors (1).

56085977 is an equidigital number, since it uses as much as digits as its factorization.

56085977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 56085977 is about 7489.0571502693. The cubic root of 56085977 is about 382.7819317766.

The spelling of 56085977 in words is "fifty-six million, eighty-five thousand, nine hundred seventy-seven".