5515600064 has 112 divisors (see below), whose sum is σ = 12202058400. Its totient is φ = 2457133056.

The previous prime is 5515600019. The next prime is 5515600087. The reversal of 5515600064 is 4600065155.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5515600064.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4278332 + ... + 4279620.

It is an arithmetic number, because the mean of its divisors is an integer number (108946950).

Almost surely, 2^5515600064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515600064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6101029200).

5515600064 is an abundant number, since it is smaller than the sum of its proper divisors (6686458336).

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

5515600064 is a wasteful number, since it uses less digits than its factorization.

5515600064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5515600064 is about 74267.0860071943. The cubic root of 5515600064 is about 1766.8414910574.

The spelling of 5515600064 in words is "five billion, five hundred fifteen million, six hundred thousand, sixty-four".