57793993 has 4 divisors (see below), whose sum is σ = 57834448. Its totient is φ = 57753540.

The previous prime is 57793961. The next prime is 57793997. The reversal of 57793993 is 39939775.

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 57793993 - 2⁵ = 57793961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57793993.

It is not an unprimeable number, because it can be changed into a prime (57793997) 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, 18003 + ... + 20968.

It is an arithmetic number, because the mean of its divisors is an integer number (14458612).

Almost surely, 2^57793993 is an apocalyptic number.

It is an amenable number.

57793993 is a deficient number, since it is larger than the sum of its proper divisors (40455).

57793993 is a wasteful number, since it uses less digits than its factorization.

57793993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40454.

The product of its digits is 1607445, while the sum is 52.

The square root of 57793993 is about 7602.2360526361. The cubic root of 57793993 is about 386.6288286233.

The spelling of 57793993 in words is "fifty-seven million, seven hundred ninety-three thousand, nine hundred ninety-three".