5550025123521 has 6 divisors (see below), whose sum is σ = 8016702956210. Its totient is φ = 3700016749008.

The previous prime is 5550025123501. The next prime is 5550025123523. The reversal of 5550025123521 is 1253215200555.

5550025123521 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 0 + 2 + 5 + 123 + 521 = 666.

5550025123521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5516109849600 + 33915273921 = 2348640^2 + 184161^2 .

It is not a de Polignac number, because 5550025123521 - 2⁶ = 5550025123457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5550025123523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308334729076 + ... + 308334729093.

Almost surely, 2^{5550025123521} is an apocalyptic number.

It is an amenable number.

5550025123521 is a deficient number, since it is larger than the sum of its proper divisors (2466677832689).

5550025123521 is a wasteful number, since it uses less digits than its factorization.

5550025123521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616669458175 (or 616669458172 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 5550025123521 in words is "five trillion, five hundred fifty billion, twenty-five million, one hundred twenty-three thousand, five hundred twenty-one".