252400056 has 16 divisors (see below), whose sum is σ = 631000200. Its totient is φ = 84133344.

The previous prime is 252400039. The next prime is 252400061. The reversal of 252400056 is 650004252.

252400056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 10516669 = 252400056 / (2 + 5 + 2 + 4 + 0 + 0 + 0 + 5 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 252399999 and 252400035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5258311 + ... + 5258358.

Almost surely, 2^252400056 is an apocalyptic number.

It is an amenable number.

252400056 is an abundant number, since it is smaller than the sum of its proper divisors (378600144).

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

252400056 is a wasteful number, since it uses less digits than its factorization.

252400056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516678 (or 10516674 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 252400056 is about 15887.1034490243. The cubic root of 252400056 is about 631.9700287555.

The spelling of 252400056 in words is "two hundred fifty-two million, four hundred thousand, fifty-six".