50521655115 has 12 divisors (see below), whose sum is σ = 87570868944. Its totient is φ = 26944882704.

The previous prime is 50521655111. The next prime is 50521655147. The reversal of 50521655115 is 51155612505.

50521655115 is a `hidden beast` number, since 50 + 52 + 1 + 6 + 551 + 1 + 5 = 666.

It is not a de Polignac number, because 50521655115 - 2² = 50521655111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50521655115.

It is not an unprimeable number, because it can be changed into a prime (50521655111) 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 11 ways as a sum of consecutive naturals, for example, 561351679 + ... + 561351768.

It is an arithmetic number, because the mean of its divisors is an integer number (7297572412).

Almost surely, 2^50521655115 is an apocalyptic number.

50521655115 is a deficient number, since it is larger than the sum of its proper divisors (37049213829).

50521655115 is a wasteful number, since it uses less digits than its factorization.

50521655115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122703458 (or 1122703455 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 50521655115 in words is "fifty billion, five hundred twenty-one million, six hundred fifty-five thousand, one hundred fifteen".