5500001250 has 240 divisors, whose sum is σ = 16272416160. Its totient is φ = 1388016000.

The previous prime is 5500001249. The next prime is 5500001291. The reversal of 5500001250 is 521000055.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5770774 + ... + 5771726.

It is an arithmetic number, because the mean of its divisors is an integer number (67801734).

Almost surely, 2^5500001250 is an apocalyptic number.

5500001250 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 5500001250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8136208080).

5500001250 is an abundant number, since it is smaller than the sum of its proper divisors (10772414910).

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

5500001250 is an equidigital number, since it uses as much as digits as its factorization.

5500001250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 5500001250 is about 74161.9932984544. The cubic root of 5500001250 is about 1765.1743013883.

The spelling of 5500001250 in words is "five billion, five hundred million, one thousand, two hundred fifty".