5255521628 has 24 divisors (see below), whose sum is σ = 10513971552. Its totient is φ = 2251738944.

The previous prime is 5255521613. The next prime is 5255521637. The reversal of 5255521628 is 8261255525.

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, 84350 + ... + 132762.

It is an arithmetic number, because the mean of its divisors is an integer number (438082148).

Almost surely, 2^5255521628 is an apocalyptic number.

It is an amenable number.

5255521628 is an abundant number, since it is smaller than the sum of its proper divisors (5258449924).

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

5255521628 is a wasteful number, since it uses less digits than its factorization.

5255521628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52301 (or 52299 counting only the distinct ones).

The product of its digits is 240000, while the sum is 41.

The square root of 5255521628 is about 72494.9765707942. The cubic root of 5255521628 is about 1738.6224208938.

The spelling of 5255521628 in words is "five billion, two hundred fifty-five million, five hundred twenty-one thousand, six hundred twenty-eight".