5555039616 has 160 divisors (see below), whose sum is σ = 18893627280. Its totient is φ = 1587133440.

The previous prime is 5555039593. The next prime is 5555039617. The reversal of 5555039616 is 6169305555.

It is a happy number.

5555039616 is a `hidden beast` number, since 5 + 5 + 550 + 3 + 96 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555039617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34306 + ... + 110846.

Almost surely, 2^5555039616 is an apocalyptic number.

5555039616 is a gapful number since it is divisible by the number (56) 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 5555039616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9446813640).

5555039616 is an abundant number, since it is smaller than the sum of its proper divisors (13338587664).

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

5555039616 is an equidigital number, since it uses as much as digits as its factorization.

5555039616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76574 (or 76553 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The square root of 5555039616 is about 74532.1381418781. The cubic root of 5555039616 is about 1771.0427868480.

The spelling of 5555039616 in words is "five billion, five hundred fifty-five million, thirty-nine thousand, six hundred sixteen".