57032223 has 4 divisors (see below), whose sum is σ = 76042968. Its totient is φ = 38021480.

The previous prime is 57032191. The next prime is 57032231. The reversal of 57032223 is 32223075.

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 57032223 - 2⁵ = 57032191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57032193 and 57032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57032273) 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, 9505368 + ... + 9505373.

It is an arithmetic number, because the mean of its divisors is an integer number (19010742).

Almost surely, 2^57032223 is an apocalyptic number.

57032223 is a deficient number, since it is larger than the sum of its proper divisors (19010745).

57032223 is a wasteful number, since it uses less digits than its factorization.

57032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19010744.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 57032223 is about 7551.9681540642. The cubic root of 57032223 is about 384.9226200815.

Adding to 57032223 its reverse (32223075), we get a palindrome (89255298).

The spelling of 57032223 in words is "fifty-seven million, thirty-two thousand, two hundred twenty-three".