2557447552 has 64 divisors (see below), whose sum is σ = 5572933200. Its totient is φ = 1159372800.

The previous prime is 2557447523. The next prime is 2557447561.

2557447552 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (64).

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, 573652 + ... + 578092.

Almost surely, 2^2557447552 is an apocalyptic number.

2557447552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2557447552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2786466600).

2557447552 is an abundant number, since it is smaller than the sum of its proper divisors (3015485648).

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

2557447552 is a wasteful number, since it uses less digits than its factorization.

2557447552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875 (or 4863 counting only the distinct ones).

The product of its digits is 1960000, while the sum is 46.

The square root of 2557447552 is about 50571.2126807337. The cubic root of 2557447552 is about 1367.5259577505.

The spelling of 2557447552 in words is "two billion, five hundred fifty-seven million, four hundred forty-seven thousand, five hundred fifty-two".