5255515456 has 56 divisors (see below), whose sum is σ = 11522537280. Its totient is φ = 2365642752.

The previous prime is 5255515453. The next prime is 5255515487. The reversal of 5255515456 is 6545155525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255515453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79986 + ... + 130033.

Almost surely, 2^5255515456 is an apocalyptic number.

It is an amenable number.

5255515456 is an abundant number, since it is smaller than the sum of its proper divisors (6267021824).

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

5255515456 is a wasteful number, since it uses less digits than its factorization.

5255515456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210071 (or 210061 counting only the distinct ones).

The product of its digits is 750000, while the sum is 43.

The square root of 5255515456 is about 72494.9340023149. The cubic root of 5255515456 is about 1738.6217402901.

The spelling of 5255515456 in words is "five billion, two hundred fifty-five million, five hundred fifteen thousand, four hundred fifty-six".