5555005000 has 80 divisors (see below), whose sum is σ = 13781197980. Its totient is φ = 2091264000.

The previous prime is 5555004989. The next prime is 5555005033. The reversal of 5555005000 is 5005555.

It can be written as a sum of positive squares in 10 ways, for example, as 42536484 + 5512468516 = 6522^2 + 74246^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 52324 + ... + 117676.

Almost surely, 2^5555005000 is an apocalyptic number.

5555005000 is a gapful number since it is divisible by the number (50) 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 5555005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6890598990).

5555005000 is an abundant number, since it is smaller than the sum of its proper divisors (8226192980).

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

5555005000 is a wasteful number, since it uses less digits than its factorization.

5555005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65396 (or 65377 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 5555005000 is about 74531.9059195456. The cubic root of 5555005000 is about 1771.0391081137.

The spelling of 5555005000 in words is "five billion, five hundred fifty-five million, five thousand".