57029977 has 2 divisors, whose sum is σ = 57029978. Its totient is φ = 57029976.

The previous prime is 57029971. The next prime is 57029981. The reversal of 57029977 is 77992075.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30239001 + 26790976 = 5499^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 57029977 - 2¹⁹ = 56505689 is a prime.

It is not a weakly prime, because it can be changed into another prime (57029971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28514988 + 28514989.

It is an arithmetic number, because the mean of its divisors is an integer number (28514989).

Almost surely, 2^57029977 is an apocalyptic number.

It is an amenable number.

57029977 is a deficient number, since it is larger than the sum of its proper divisors (1).

57029977 is an equidigital number, since it uses as much as digits as its factorization.

57029977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 57029977 is about 7551.8194496426. The cubic root of 57029977 is about 384.9175671043.

The spelling of 57029977 in words is "fifty-seven million, twenty-nine thousand, nine hundred seventy-seven".