57216793 has 8 divisors (see below), whose sum is σ = 59155200. Its totient is φ = 55284240.

The previous prime is 57216787. The next prime is 57216799. The reversal of 57216793 is 39761275.

57216793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57216787) and next prime (57216799).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57216793 - 2²⁵ = 23662361 is a prime.

It is a super-4 number, since 4×57216793⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57216799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28383 + ... + 30331.

It is an arithmetic number, because the mean of its divisors is an integer number (7394400).

Almost surely, 2^57216793 is an apocalyptic number.

It is an amenable number.

57216793 is a deficient number, since it is larger than the sum of its proper divisors (1938407).

57216793 is a wasteful number, since it uses less digits than its factorization.

57216793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

The product of its digits is 79380, while the sum is 40.

The square root of 57216793 is about 7564.1782765876. The cubic root of 57216793 is about 385.3374070329.

The spelling of 57216793 in words is "fifty-seven million, two hundred sixteen thousand, seven hundred ninety-three".