57325491 has 6 divisors (see below), whose sum is σ = 82803500. Its totient is φ = 38216988.

The previous prime is 57325459. The next prime is 57325501. The reversal of 57325491 is 19452375.

It is not a de Polignac number, because 57325491 - 2⁵ = 57325459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57325091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3184741 + ... + 3184758.

Almost surely, 2^57325491 is an apocalyptic number.

57325491 is a deficient number, since it is larger than the sum of its proper divisors (25478009).

57325491 is a wasteful number, since it uses less digits than its factorization.

57325491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369505 (or 6369502 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 57325491 is about 7571.3599174785. The cubic root of 57325491 is about 385.5812684775.

The spelling of 57325491 in words is "fifty-seven million, three hundred twenty-five thousand, four hundred ninety-one".