57223873 has 16 divisors (see below), whose sum is σ = 68348160. Its totient is φ = 46872000.

The previous prime is 57223871. The next prime is 57223891. The reversal of 57223873 is 37832275.

It is not a de Polignac number, because 57223873 - 2¹ = 57223871 is a prime.

It is a super-2 number, since 2×57223873² = 6549143282240258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57223871) 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, 19108 + ... + 21898.

It is an arithmetic number, because the mean of its divisors is an integer number (4271760).

Almost surely, 2^57223873 is an apocalyptic number.

It is an amenable number.

57223873 is a deficient number, since it is larger than the sum of its proper divisors (11124287).

57223873 is a wasteful number, since it uses less digits than its factorization.

57223873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928.

The product of its digits is 70560, while the sum is 37.

The square root of 57223873 is about 7564.6462574267. The cubic root of 57223873 is about 385.3533002475.

The spelling of 57223873 in words is "fifty-seven million, two hundred twenty-three thousand, eight hundred seventy-three".