5257107520 has 112 divisors (see below), whose sum is σ = 14341449600. Its totient is φ = 1798078464.

The previous prime is 5257107509. The next prime is 5257107553. The reversal of 5257107520 is 257017525.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003147 + ... + 1008373.

Almost surely, 2^5257107520 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 5257107520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7170724800).

5257107520 is an abundant number, since it is smaller than the sum of its proper divisors (9084342080).

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

5257107520 is a wasteful number, since it uses less digits than its factorization.

5257107520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 5690 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 5257107520 is about 72505.9136898502. The cubic root of 5257107520 is about 1738.7972839735.

The spelling of 5257107520 in words is "five billion, two hundred fifty-seven million, one hundred seven thousand, five hundred twenty".