57152223 has 20 divisors (see below), whose sum is σ = 86414328. Its totient is φ = 37638000.

The previous prime is 57152219. The next prime is 57152233. The reversal of 57152223 is 32225175.

It is not a de Polignac number, because 57152223 - 2² = 57152219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57152233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2473 + ... + 10973.

Almost surely, 2^57152223 is an apocalyptic number.

57152223 is a deficient number, since it is larger than the sum of its proper divisors (29262105).

57152223 is an equidigital number, since it uses as much as digits as its factorization.

57152223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596 (or 8587 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 57152223 is about 7559.9089280229. The cubic root of 57152223 is about 385.1923994774.

Adding to 57152223 its reverse (32225175), we get a palindrome (89377398).

It can be divided in two parts, 57152 and 223, that added together give a palindrome (57375).

The spelling of 57152223 in words is "fifty-seven million, one hundred fifty-two thousand, two hundred twenty-three".