2315552500 has 60 divisors (see below), whose sum is σ = 5200713364. Its totient is φ = 901152000.

The previous prime is 2315552479. The next prime is 2315552539. The reversal of 2315552500 is 52555132.

It can be written as a sum of positive squares in 10 ways, for example, as 1795894884 + 519657616 = 42378^2 + 22796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79984 + ... + 105016.

Almost surely, 2^2315552500 is an apocalyptic number.

2315552500 is a gapful number since it is divisible by the number (20) 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 2315552500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600356682).

2315552500 is an abundant number, since it is smaller than the sum of its proper divisors (2885160864).

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

2315552500 is a wasteful number, since it uses less digits than its factorization.

2315552500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25094 (or 25077 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2315552500 is about 48120.1880711204. The cubic root of 2315552500 is about 1322.9747153178.

The spelling of 2315552500 in words is "two billion, three hundred fifteen million, five hundred fifty-two thousand, five hundred".