57672091 has 2 divisors, whose sum is σ = 57672092. Its totient is φ = 57672090.

The previous prime is 57672077. The next prime is 57672101. The reversal of 57672091 is 19027675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57672091 - 2⁷ = 57671963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57672091.

It is not a weakly prime, because it can be changed into another prime (57672061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28836045 + 28836046.

It is an arithmetic number, because the mean of its divisors is an integer number (28836046).

Almost surely, 2^57672091 is an apocalyptic number.

57672091 is a deficient number, since it is larger than the sum of its proper divisors (1).

57672091 is an equidigital number, since it uses as much as digits as its factorization.

57672091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 57672091 is about 7594.2143109080. The cubic root of 57672091 is about 386.3568049475.

The spelling of 57672091 in words is "fifty-seven million, six hundred seventy-two thousand, ninety-one".