50515800000 has 336 divisors, whose sum is σ = 170010368640. Its totient is φ = 13233280000.

The previous prime is 50515799969. The next prime is 50515800001. The reversal of 50515800000 is 851505.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50515800001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35399287 + ... + 35400713.

It is an arithmetic number, because the mean of its divisors is an integer number (505983240).

Almost surely, 2^50515800000 is an apocalyptic number.

50515800000 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 50515800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85005184320).

50515800000 is an abundant number, since it is smaller than the sum of its proper divisors (119494568640).

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

50515800000 is an equidigital number, since it uses as much as digits as its factorization.

50515800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 50515800000 in words is "fifty billion, five hundred fifteen million, eight hundred thousand".