57194927 has 2 divisors, whose sum is σ = 57194928. Its totient is φ = 57194926.

The previous prime is 57194923. The next prime is 57194941. The reversal of 57194927 is 72949175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57194927 - 2² = 57194923 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 (57194923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28597463 + 28597464.

It is an arithmetic number, because the mean of its divisors is an integer number (28597464).

Almost surely, 2^57194927 is an apocalyptic number.

57194927 is a deficient number, since it is larger than the sum of its proper divisors (1).

57194927 is an equidigital number, since it uses as much as digits as its factorization.

57194927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 44.

The square root of 57194927 is about 7562.7327732771. The cubic root of 57194927 is about 385.2883138625.

The spelling of 57194927 in words is "fifty-seven million, one hundred ninety-four thousand, nine hundred twenty-seven".