2553232788 has 144 divisors (see below), whose sum is σ = 7176798720. Its totient is φ = 761702400.

The previous prime is 2553232777. The next prime is 2553232813. The reversal of 2553232788 is 8872323552.

2553232788 is a `hidden beast` number, since 2 + 5 + 532 + 32 + 7 + 88 = 666.

2553232788 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118208 + ... + 1120488.

It is an arithmetic number, because the mean of its divisors is an integer number (49838880).

Almost surely, 2^2553232788 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 2553232788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3588399360).

2553232788 is an abundant number, since it is smaller than the sum of its proper divisors (4623565932).

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

2553232788 is a wasteful number, since it uses less digits than its factorization.

2553232788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2393 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2553232788 is about 50529.5239241377. The cubic root of 2553232788 is about 1366.7743009683.

The spelling of 2553232788 in words is "two billion, five hundred fifty-three million, two hundred thirty-two thousand, seven hundred eighty-eight".