56977257049 has 2 divisors, whose sum is σ = 56977257050. Its totient is φ = 56977257048.

The previous prime is 56977257037. The next prime is 56977257053. The reversal of 56977257049 is 94075277965.

56977257049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55680897024 + 1296360025 = 235968^2 + 36005^2 .

It is a cyclic number.

It is not a de Polignac number, because 56977257049 - 2⁵ = 56977257017 is a prime.

It is not a weakly prime, because it can be changed into another prime (56977257089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28488628524 + 28488628525.

It is an arithmetic number, because the mean of its divisors is an integer number (28488628525).

Almost surely, 2^56977257049 is an apocalyptic number.

It is an amenable number.

56977257049 is a deficient number, since it is larger than the sum of its proper divisors (1).

56977257049 is an equidigital number, since it uses as much as digits as its factorization.

56977257049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33339600, while the sum is 61.

The spelling of 56977257049 in words is "fifty-six billion, nine hundred seventy-seven million, two hundred fifty-seven thousand, forty-nine".