2553397044 has 72 divisors (see below), whose sum is σ = 6612775008. Its totient is φ = 760505280.

The previous prime is 2553397043. The next prime is 2553397073. The reversal of 2553397044 is 4407933552.

2553397044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2553396987 and 2553397005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553397043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456714 + ... + 462270.

Almost surely, 2^2553397044 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 2553397044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306387504).

2553397044 is an abundant number, since it is smaller than the sum of its proper divisors (4059377964).

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

2553397044 is a wasteful number, since it uses less digits than its factorization.

2553397044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 2553397044 is about 50531.1492447975. The cubic root of 2553397044 is about 1366.8036097028.

The spelling of 2553397044 in words is "two billion, five hundred fifty-three million, three hundred ninety-seven thousand, forty-four".