50515256560 has 160 divisors (see below), whose sum is σ = 126994996800. Its totient is φ = 18617057280.

The previous prime is 50515256531. The next prime is 50515256579. The reversal of 50515256560 is 6565251505.

50515256560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×50515256560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 18996511 + ... + 18999169.

It is an arithmetic number, because the mean of its divisors is an integer number (793718730).

Almost surely, 2^50515256560 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 50515256560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63497498400).

50515256560 is an abundant number, since it is smaller than the sum of its proper divisors (76479740240).

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

50515256560 is a wasteful number, since it uses less digits than its factorization.

50515256560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 50515256560 in words is "fifty billion, five hundred fifteen million, two hundred fifty-six thousand, five hundred sixty".