57812993 has 16 divisors (see below), whose sum is σ = 69081600. Its totient is φ = 48333600.

The previous prime is 57812987. The next prime is 57813011. The reversal of 57812993 is 39921875.

It is not a de Polignac number, because 57812993 - 2⁶ = 57812929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57812693) 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, 12008 + ... + 16118.

It is an arithmetic number, because the mean of its divisors is an integer number (4317600).

Almost surely, 2^57812993 is an apocalyptic number.

It is an amenable number.

57812993 is a deficient number, since it is larger than the sum of its proper divisors (11268607).

57812993 is an equidigital number, since it uses as much as digits as its factorization.

57812993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4159 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 57812993 is about 7603.4855822840. The cubic root of 57812993 is about 386.6711925583.

The spelling of 57812993 in words is "fifty-seven million, eight hundred twelve thousand, nine hundred ninety-three".