57162223 has 4 divisors (see below), whose sum is σ = 57196480. Its totient is φ = 57127968.

The previous prime is 57162191. The next prime is 57162247. The reversal of 57162223 is 32226175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57162223 - 2⁵ = 57162191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57162191 and 57162200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57162283) 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, 14490 + ... + 18007.

It is an arithmetic number, because the mean of its divisors is an integer number (14299120).

Almost surely, 2^57162223 is an apocalyptic number.

57162223 is a deficient number, since it is larger than the sum of its proper divisors (34257).

57162223 is a wasteful number, since it uses less digits than its factorization.

57162223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34256.

The product of its digits is 5040, while the sum is 28.

The square root of 57162223 is about 7560.5702827234. The cubic root of 57162223 is about 385.2148640416.

Adding to 57162223 its reverse (32226175), we get a palindrome (89388398).

The spelling of 57162223 in words is "fifty-seven million, one hundred sixty-two thousand, two hundred twenty-three".