50165066655 has 24 divisors (see below), whose sum is σ = 94857581520. Its totient is φ = 24322456320.

The previous prime is 50165066647. The next prime is 50165066683. The reversal of 50165066655 is 55666056105.

It is not a de Polignac number, because 50165066655 - 2³ = 50165066647 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50165066655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50671290 + ... + 50672279.

It is an arithmetic number, because the mean of its divisors is an integer number (3952399230).

Almost surely, 2^50165066655 is an apocalyptic number.

50165066655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50165066655 is a deficient number, since it is larger than the sum of its proper divisors (44692514865).

50165066655 is a wasteful number, since it uses less digits than its factorization.

50165066655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101343591 (or 101343588 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 50165066655 in words is "fifty billion, one hundred sixty-five million, sixty-six thousand, six hundred fifty-five".