50007171690 has 96 divisors (see below), whose sum is σ = 154096225920. Its totient is φ = 11430206784.

The previous prime is 50007171689. The next prime is 50007171703. The reversal of 50007171690 is 9617170005.

It is a super-2 number, since 2×50007171690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1452925 + ... + 1486944.

It is an arithmetic number, because the mean of its divisors is an integer number (1605169020).

Almost surely, 2^50007171690 is an apocalyptic number.

50007171690 is an abundant number, since it is smaller than the sum of its proper divisors (104089054230).

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

50007171690 is a wasteful number, since it uses less digits than its factorization.

50007171690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939898 (or 2939886 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The spelling of 50007171690 in words is "fifty billion, seven million, one hundred seventy-one thousand, six hundred ninety".