57492191 has 16 divisors (see below), whose sum is σ = 60686304. Its totient is φ = 54411264.

The previous prime is 57492173. The next prime is 57492199. The reversal of 57492191 is 19129475.

It is a cyclic number.

It is not a de Polignac number, because 57492191 - 2¹⁴ = 57475807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57492199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297791 + ... + 297983.

It is an arithmetic number, because the mean of its divisors is an integer number (3792894).

Almost surely, 2^57492191 is an apocalyptic number.

57492191 is a deficient number, since it is larger than the sum of its proper divisors (3194113).

57492191 is a wasteful number, since it uses less digits than its factorization.

57492191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 22680, while the sum is 38.

The square root of 57492191 is about 7582.3605163564. The cubic root of 57492191 is about 385.9546578865.

The spelling of 57492191 in words is "fifty-seven million, four hundred ninety-two thousand, one hundred ninety-one".