50857525908 has 108 divisors (see below), whose sum is σ = 151347530880. Its totient is φ = 14355611424.

The previous prime is 50857525889. The next prime is 50857525919. The reversal of 50857525908 is 80952575805.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 27268 + ... + 320091.

Almost surely, 2^50857525908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50857525908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75673765440).

50857525908 is an abundant number, since it is smaller than the sum of its proper divisors (100490004972).

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

50857525908 is a wasteful number, since it uses less digits than its factorization.

50857525908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347466 (or 347454 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 54.

The spelling of 50857525908 in words is "fifty billion, eight hundred fifty-seven million, five hundred twenty-five thousand, nine hundred eight".