57938993 has 4 divisors (see below), whose sum is σ = 66216000. Its totient is φ = 49661988.

The previous prime is 57938983. The next prime is 57939023. The reversal of 57938993 is 39983975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57938993 - 2⁴ = 57938977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57938963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138493 + ... + 4138506.

It is an arithmetic number, because the mean of its divisors is an integer number (16554000).

Almost surely, 2^57938993 is an apocalyptic number.

It is an amenable number.

57938993 is a deficient number, since it is larger than the sum of its proper divisors (8277007).

57938993 is an equidigital number, since it uses as much as digits as its factorization.

57938993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277006.

The product of its digits is 1837080, while the sum is 53.

The square root of 57938993 is about 7611.7667462948. The cubic root of 57938993 is about 386.9518977309.

The spelling of 57938993 in words is "fifty-seven million, nine hundred thirty-eight thousand, nine hundred ninety-three".