57945961 has 2 divisors, whose sum is σ = 57945962. Its totient is φ = 57945960.

The previous prime is 57945949. The next prime is 57945989. The reversal of 57945961 is 16954975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52838361 + 5107600 = 7269^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 57945961 - 2⁵ = 57945929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57945941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28972980 + 28972981.

It is an arithmetic number, because the mean of its divisors is an integer number (28972981).

Almost surely, 2^57945961 is an apocalyptic number.

It is an amenable number.

57945961 is a deficient number, since it is larger than the sum of its proper divisors (1).

57945961 is an equidigital number, since it uses as much as digits as its factorization.

57945961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 46.

The square root of 57945961 is about 7612.2244449307. The cubic root of 57945961 is about 386.9674092923.

The spelling of 57945961 in words is "fifty-seven million, nine hundred forty-five thousand, nine hundred sixty-one".