50999999994 has 24 divisors (see below), whose sum is σ = 116315790240. Its totient is φ = 16105263048.

The previous prime is 50999999957. The next prime is 51000000041. The reversal of 50999999994 is 49999999905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74561062 + ... + 74561745.

It is an arithmetic number, because the mean of its divisors is an integer number (4846491260).

Almost surely, 2^50999999994 is an apocalyptic number.

50999999994 is an abundant number, since it is smaller than the sum of its proper divisors (65315790246).

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

50999999994 is a wasteful number, since it uses less digits than its factorization.

50999999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149122834 (or 149122831 counting only the distinct ones).

The product of its (nonzero) digits is 860934420, while the sum is 81.

The spelling of 50999999994 in words is "fifty billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-four".