57204977 has 2 divisors, whose sum is σ = 57204978. Its totient is φ = 57204976.

The previous prime is 57204971. The next prime is 57204989. The reversal of 57204977 is 77940275.

57204977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32364721 + 24840256 = 5689^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 57204977 - 2¹⁰ = 57203953 is a prime.

It is not a weakly prime, because it can be changed into another prime (57204971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28602488 + 28602489.

It is an arithmetic number, because the mean of its divisors is an integer number (28602489).

Almost surely, 2^57204977 is an apocalyptic number.

It is an amenable number.

57204977 is a deficient number, since it is larger than the sum of its proper divisors (1).

57204977 is an equidigital number, since it uses as much as digits as its factorization.

57204977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 57204977 is about 7563.3971864500. The cubic root of 57204977 is about 385.3108795047.

The spelling of 57204977 in words is "fifty-seven million, two hundred four thousand, nine hundred seventy-seven".