253320056 has 32 divisors (see below), whose sum is σ = 532165680. Its totient is φ = 112032000.

The previous prime is 253320047. The next prime is 253320061. The reversal of 253320056 is 650023352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35645 + ... + 42156.

Almost surely, 2^253320056 is an apocalyptic number.

It is an amenable number.

253320056 is an abundant number, since it is smaller than the sum of its proper divisors (278845624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253320056 is a wasteful number, since it uses less digits than its factorization.

253320056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77855 (or 77851 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 253320056 is about 15916.0314148974. The cubic root of 253320056 is about 632.7369427903.

The spelling of 253320056 in words is "two hundred fifty-three million, three hundred twenty thousand, fifty-six".