57220253 has 8 divisors (see below), whose sum is σ = 58099200. Its totient is φ = 56345328.

The previous prime is 57220217. The next prime is 57220259. The reversal of 57220253 is 35202275.

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

It is not a de Polignac number, because 57220253 - 2⁸ = 57219997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57220259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39500 + ... + 40922.

It is an arithmetic number, because the mean of its divisors is an integer number (7262400).

Almost surely, 2^57220253 is an apocalyptic number.

It is an amenable number.

57220253 is a deficient number, since it is larger than the sum of its proper divisors (878947).

57220253 is a wasteful number, since it uses less digits than its factorization.

57220253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 57220253 is about 7564.4069827053. The cubic root of 57220253 is about 385.3451742196.

The spelling of 57220253 in words is "fifty-seven million, two hundred twenty thousand, two hundred fifty-three".