5515551650600 has 96 divisors (see below), whose sum is σ = 12873728763000. Its totient is φ = 2197622784000.

The previous prime is 5515551650561. The next prime is 5515551650617. The reversal of 5515551650600 is 60561555155.

It can be written as a sum of positive squares in 12 ways, for example, as 2037259510276 + 3478292140324 = 1427326^2 + 1865018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53918702 + ... + 54020898.

Almost surely, 2^{5515551650600} is an apocalyptic number.

5515551650600 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 5515551650600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6436864381500).

5515551650600 is an abundant number, since it is smaller than the sum of its proper divisors (7358177112400).

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

5515551650600 is a wasteful number, since it uses less digits than its factorization.

5515551650600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103263 (or 103254 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 5515551650600 in words is "five trillion, five hundred fifteen billion, five hundred fifty-one million, six hundred fifty thousand, six hundred".