50236640520 has 256 divisors, whose sum is σ = 167128012800. Its totient is φ = 11979018240.

The previous prime is 50236640453. The next prime is 50236640527. The reversal of 50236640520 is 2504663205.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (50236640527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20732029 + ... + 20734451.

It is an arithmetic number, because the mean of its divisors is an integer number (652843800).

Almost surely, 2^50236640520 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 50236640520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83564006400).

50236640520 is an abundant number, since it is smaller than the sum of its proper divisors (116891372280).

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

50236640520 is a wasteful number, since it uses less digits than its factorization.

50236640520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2696 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 50236640520 in words is "fifty billion, two hundred thirty-six million, six hundred forty thousand, five hundred twenty".