50641971520 has 224 divisors, whose sum is σ = 143853408000. Its totient is φ = 16613474304.

The previous prime is 50641971511. The next prime is 50641971547. The reversal of 50641971520 is 2517914605.

50641971520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×50641971520² (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, 7337031 + ... + 7343929.

Almost surely, 2^50641971520 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 50641971520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71926704000).

50641971520 is an abundant number, since it is smaller than the sum of its proper divisors (93211436480).

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

50641971520 is a wasteful number, since it uses less digits than its factorization.

50641971520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 50641971520 in words is "fifty billion, six hundred forty-one million, nine hundred seventy-one thousand, five hundred twenty".