50878343892 has 12 divisors (see below), whose sum is σ = 118716135776. Its totient is φ = 16959447960.

The previous prime is 50878343843. The next prime is 50878343899. The reversal of 50878343892 is 29834387805.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×50878343892² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50878343899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119930984 + ... + 2119931007.

Almost surely, 2^50878343892 is an apocalyptic number.

It is an amenable number.

50878343892 is an abundant number, since it is smaller than the sum of its proper divisors (67837791884).

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

50878343892 is a wasteful number, since it uses less digits than its factorization.

50878343892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239861998 (or 4239861996 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 50878343892 in words is "fifty billion, eight hundred seventy-eight million, three hundred forty-three thousand, eight hundred ninety-two".