523553256 has 96 divisors (see below), whose sum is σ = 1481407200. Its totient is φ = 166872960.

The previous prime is 523553243. The next prime is 523553281. The reversal of 523553256 is 652355325.

523553256 is a `hidden beast` number, since 52 + 3 + 553 + 2 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 523553256.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155511 + ... + 158841.

It is an arithmetic number, because the mean of its divisors is an integer number (15431325).

Almost surely, 2^523553256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523553256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (740703600).

523553256 is an abundant number, since it is smaller than the sum of its proper divisors (957853944).

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

523553256 is a wasteful number, since it uses less digits than its factorization.

523553256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439 (or 3432 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 523553256 is about 22881.2861526620. The cubic root of 523553256 is about 805.9726196348.

It can be divided in two parts, 52355 and 3256, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 523553256 in words is "five hundred twenty-three million, five hundred fifty-three thousand, two hundred fifty-six".