50156656500 has 96 divisors (see below), whose sum is σ = 146791008000. Its totient is φ = 13307817600.

The previous prime is 50156656499. The next prime is 50156656519. The reversal of 50156656500 is 565665105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214486 + ... + 382514.

It is an arithmetic number, because the mean of its divisors is an integer number (1529073000).

Almost surely, 2^50156656500 is an apocalyptic number.

50156656500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50156656500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73395504000).

50156656500 is an abundant number, since it is smaller than the sum of its proper divisors (96634351500).

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

50156656500 is a wasteful number, since it uses less digits than its factorization.

50156656500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168250 (or 168238 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 50156656500 in words is "fifty billion, one hundred fifty-six million, six hundred fifty-six thousand, five hundred".