5515553250 has 192 divisors, whose sum is σ = 15589252224. Its totient is φ = 1459166400.

The previous prime is 5515553243. The next prime is 5515553261. The reversal of 5515553250 is 523555155.

5515553250 is a `hidden beast` number, since 5 + 51 + 5 + 553 + 2 + 50 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9901972 + ... + 9902528.

It is an arithmetic number, because the mean of its divisors is an integer number (81194022).

Almost surely, 2^5515553250 is an apocalyptic number.

5515553250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515553250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7794626112).

5515553250 is an abundant number, since it is smaller than the sum of its proper divisors (10073698974).

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

5515553250 is a wasteful number, since it uses less digits than its factorization.

5515553250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The square root of 5515553250 is about 74266.7708332603. The cubic root of 5515553250 is about 1766.8364923174.

The spelling of 5515553250 in words is "five billion, five hundred fifteen million, five hundred fifty-three thousand, two hundred fifty".