57992531 has 4 divisors (see below), whose sum is σ = 58020864. Its totient is φ = 57964200.

The previous prime is 57992507. The next prime is 57992549. The reversal of 57992531 is 13529975.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57992531 - 2¹⁴ = 57976147 is a prime.

It is a super-2 number, since 2×57992531² = 6726267303571922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57982531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10835 + ... + 15276.

It is an arithmetic number, because the mean of its divisors is an integer number (14505216).

Almost surely, 2^57992531 is an apocalyptic number.

57992531 is a deficient number, since it is larger than the sum of its proper divisors (28333).

57992531 is a wasteful number, since it uses less digits than its factorization.

57992531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28332.

The product of its digits is 85050, while the sum is 41.

The square root of 57992531 is about 7615.2827262026. The cubic root of 57992531 is about 387.0710475003.

The spelling of 57992531 in words is "fifty-seven million, nine hundred ninety-two thousand, five hundred thirty-one".