50720803520 has 28 divisors (see below), whose sum is σ = 120778914144. Its totient is φ = 20288321280.

The previous prime is 50720803519. The next prime is 50720803531. The reversal of 50720803520 is 2530802705.

It is a super-3 number, since 3×50720803520³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79250936 + ... + 79251575.

It is an arithmetic number, because the mean of its divisors is an integer number (4313532648).

Almost surely, 2^50720803520 is an apocalyptic number.

It is an amenable number.

50720803520 is an abundant number, since it is smaller than the sum of its proper divisors (70058110624).

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

50720803520 is a wasteful number, since it uses less digits than its factorization.

50720803520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158502528 (or 158502518 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 50720803520 in words is "fifty billion, seven hundred twenty million, eight hundred three thousand, five hundred twenty".