50551565355 has 12 divisors (see below), whose sum is σ = 87622713360. Its totient is φ = 26960834832.

The previous prime is 50551565353. The next prime is 50551565371. The reversal of 50551565355 is 55356515505.

50551565355 is a `hidden beast` number, since 5 + 0 + 5 + 51 + 565 + 35 + 5 = 666.

It is not a de Polignac number, because 50551565355 - 2¹ = 50551565353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1123368119 = 50551565355 / (5 + 0 + 5 + 5 + 1 + 5 + 6 + 5 + 3 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 50551565355.

It is not an unprimeable number, because it can be changed into a prime (50551565353) 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, 561684015 + ... + 561684104.

It is an arithmetic number, because the mean of its divisors is an integer number (7301892780).

Almost surely, 2^50551565355 is an apocalyptic number.

50551565355 is a deficient number, since it is larger than the sum of its proper divisors (37071148005).

50551565355 is a wasteful number, since it uses less digits than its factorization.

50551565355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123368130 (or 1123368127 counting only the distinct ones).

The product of its (nonzero) digits is 1406250, while the sum is 45.

The spelling of 50551565355 in words is "fifty billion, five hundred fifty-one million, five hundred sixty-five thousand, three hundred fifty-five".