57029957 has 2 divisors, whose sum is σ = 57029958. Its totient is φ = 57029956.

The previous prime is 57029939. The next prime is 57029971. The reversal of 57029957 is 75992075.

57029957 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., 40780996 + 16248961 = 6386^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 57029957 - 2⁸ = 57029701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57029977) 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, 28514978 + 28514979.

It is an arithmetic number, because the mean of its divisors is an integer number (28514979).

Almost surely, 2^57029957 is an apocalyptic number.

It is an amenable number.

57029957 is a deficient number, since it is larger than the sum of its proper divisors (1).

57029957 is an equidigital number, since it uses as much as digits as its factorization.

57029957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 57029957 is about 7551.8181254583. The cubic root of 57029957 is about 384.9175221084.

The spelling of 57029957 in words is "fifty-seven million, twenty-nine thousand, nine hundred fifty-seven".