50006551572 has 36 divisors (see below), whose sum is σ = 127656998196. Its totient is φ = 16503811200.

The previous prime is 50006551561. The next prime is 50006551591. The reversal of 50006551572 is 27515560005.

It is a happy number.

50006551572 is a `hidden beast` number, since 50 + 0 + 0 + 6 + 551 + 57 + 2 = 666.

50006551572 is digitally balanced in base 2, 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 2 ways, for example, as 42635642256 + 7370909316 = 206484^2 + 85854^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6872953 + ... + 6880224.

Almost surely, 2^50006551572 is an apocalyptic number.

It is an amenable number.

50006551572 is an abundant number, since it is smaller than the sum of its proper divisors (77650446624).

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

50006551572 is a wasteful number, since it uses less digits than its factorization.

50006551572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753288 (or 13753283 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The spelling of 50006551572 in words is "fifty billion, six million, five hundred fifty-one thousand, five hundred seventy-two".