57164669 has 2 divisors, whose sum is σ = 57164670. Its totient is φ = 57164668.

The previous prime is 57164633. The next prime is 57164671. The reversal of 57164669 is 96646175.

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., 39000025 + 18164644 = 6245^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 57164669 - 2⁸ = 57164413 is a prime.

It is a super-2 number, since 2×57164669² = 6535598763759122, which contains 22 as substring.

Together with 57164671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57164689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28582334 + 28582335.

It is an arithmetic number, because the mean of its divisors is an integer number (28582335).

Almost surely, 2^57164669 is an apocalyptic number.

It is an amenable number.

57164669 is a deficient number, since it is larger than the sum of its proper divisors (1).

57164669 is an equidigital number, since it uses as much as digits as its factorization.

57164669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 57164669 is about 7560.7320412775. The cubic root of 57164669 is about 385.2203584752.

The spelling of 57164669 in words is "fifty-seven million, one hundred sixty-four thousand, six hundred sixty-nine".