5557985598 has 64 divisors (see below), whose sum is σ = 12723185664. Its totient is φ = 1603152000.

The previous prime is 5557985579. The next prime is 5557985623. The reversal of 5557985598 is 8955897555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102540 + ... + 147072.

It is an arithmetic number, because the mean of its divisors is an integer number (198799776).

Almost surely, 2^5557985598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5557985598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6361592832).

5557985598 is an abundant number, since it is smaller than the sum of its proper divisors (7165200066).

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

5557985598 is a wasteful number, since it uses less digits than its factorization.

5557985598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44641.

The product of its digits is 113400000, while the sum is 66.

The square root of 5557985598 is about 74551.8986880951. The cubic root of 5557985598 is about 1771.3558082055.

The spelling of 5557985598 in words is "five billion, five hundred fifty-seven million, nine hundred eighty-five thousand, five hundred ninety-eight".