57149023 has 2 divisors, whose sum is σ = 57149024. Its totient is φ = 57149022.

The previous prime is 57149003. The next prime is 57149033. The reversal of 57149023 is 32094175.

57149023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57149023 - 2⁵ = 57148991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57149003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28574511 + 28574512.

It is an arithmetic number, because the mean of its divisors is an integer number (28574512).

Almost surely, 2^57149023 is an apocalyptic number.

57149023 is a deficient number, since it is larger than the sum of its proper divisors (1).

57149023 is an equidigital number, since it uses as much as digits as its factorization.

57149023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57149023 is about 7559.6972822991. The cubic root of 57149023 is about 385.1852102634.

It can be divided in two parts, 571 and 49023, that added together give a palindrome (49594).

The spelling of 57149023 in words is "fifty-seven million, one hundred forty-nine thousand, twenty-three".