5506990571520 has 1152 divisors, whose sum is σ = 20431380340800. Its totient is φ = 1424099377152.

The previous prime is 5506990571503. The next prime is 5506990571561. The reversal of 5506990571520 is 251750996055.

5506990571520 is a `hidden beast` number, since 5 + 5 + 0 + 69 + 9 + 0 + 57 + 1 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×5506990571520² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 50522849226 + ... + 50522849334.

Almost surely, 2^{5506990571520} 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 5506990571520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10215690170400).

5506990571520 is an abundant number, since it is smaller than the sum of its proper divisors (14924389769280).

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

5506990571520 is an frugal number, since it uses more digits than its factorization.

5506990571520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 4252500, while the sum is 54.

The spelling of 5506990571520 in words is "five trillion, five hundred six billion, nine hundred ninety million, five hundred seventy-one thousand, five hundred twenty".