57552977 has 2 divisors, whose sum is σ = 57552978. Its totient is φ = 57552976.

The previous prime is 57552953. The next prime is 57552991. The reversal of 57552977 is 77925575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38925121 + 18627856 = 6239^2 + 4316^2 .

It is a cyclic number.

It is not a de Polignac number, because 57552977 - 2²² = 53358673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57552997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28776488 + 28776489.

It is an arithmetic number, because the mean of its divisors is an integer number (28776489).

Almost surely, 2^57552977 is an apocalyptic number.

It is an amenable number.

57552977 is a deficient number, since it is larger than the sum of its proper divisors (1).

57552977 is an equidigital number, since it uses as much as digits as its factorization.

57552977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 771750, while the sum is 47.

The square root of 57552977 is about 7586.3678397505. The cubic root of 57552977 is about 386.0906321584.

The spelling of 57552977 in words is "fifty-seven million, five hundred fifty-two thousand, nine hundred seventy-seven".