50394255869 has 16 divisors (see below), whose sum is σ = 54509742720. Its totient is φ = 46445931840.

The previous prime is 50394255851. The next prime is 50394255893. The reversal of 50394255869 is 96855249305.

It is a cyclic number.

It is not a de Polignac number, because 50394255869 - 2²⁸ = 50125820413 is a prime.

It is a super-2 number, since 2×50394255869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50394155869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250559 + ... + 404435.

It is an arithmetic number, because the mean of its divisors is an integer number (3406858920).

Almost surely, 2^50394255869 is an apocalyptic number.

It is an amenable number.

50394255869 is a deficient number, since it is larger than the sum of its proper divisors (4115486851).

50394255869 is a wasteful number, since it uses less digits than its factorization.

50394255869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154420.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 50394255869 in words is "fifty billion, three hundred ninety-four million, two hundred fifty-five thousand, eight hundred sixty-nine".