50158906506 has 32 divisors (see below), whose sum is σ = 116310510720. Its totient is φ = 15992694432.

The previous prime is 50158906439. The next prime is 50158906507. The reversal of 50158906506 is 60560985105.

It is a happy number.

50158906506 is a `hidden beast` number, since 5 + 0 + 1 + 58 + 90 + 6 + 506 = 666.

50158906506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (50158906507) 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, 20191555 + ... + 20194038.

It is an arithmetic number, because the mean of its divisors is an integer number (3634703460).

Almost surely, 2^50158906506 is an apocalyptic number.

50158906506 is an abundant number, since it is smaller than the sum of its proper divisors (66151604214).

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

50158906506 is a wasteful number, since it uses less digits than its factorization.

50158906506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40385627 (or 40385621 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 50158906506 in words is "fifty billion, one hundred fifty-eight million, nine hundred six thousand, five hundred six".