57377161 has 2 divisors, whose sum is σ = 57377162. Its totient is φ = 57377160.

The previous prime is 57377129. The next prime is 57377171. The reversal of 57377161 is 16177375.

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., 49787136 + 7590025 = 7056^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 57377161 - 2⁵ = 57377129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57377161.

It is not a weakly prime, because it can be changed into another prime (57377101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28688580 + 28688581.

It is an arithmetic number, because the mean of its divisors is an integer number (28688581).

Almost surely, 2^57377161 is an apocalyptic number.

It is an amenable number.

57377161 is a deficient number, since it is larger than the sum of its proper divisors (1).

57377161 is an equidigital number, since it uses as much as digits as its factorization.

57377161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30870, while the sum is 37.

The square root of 57377161 is about 7574.7713496844. The cubic root of 57377161 is about 385.6970808382.

The spelling of 57377161 in words is "fifty-seven million, three hundred seventy-seven thousand, one hundred sixty-one".