50866619328 has 336 divisors, whose sum is σ = 179573529600. Its totient is φ = 14063777280.

The previous prime is 50866619269. The next prime is 50866619341. The reversal of 50866619328 is 82391666805.

It is a happy number.

50866619328 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 (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2615143 + ... + 2634521.

Almost surely, 2^50866619328 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 50866619328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89786764800).

50866619328 is an abundant number, since it is smaller than the sum of its proper divisors (128706910272).

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

50866619328 is a wasteful number, since it uses less digits than its factorization.

50866619328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445 (or 19422 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 50866619328 in words is "fifty billion, eight hundred sixty-six million, six hundred nineteen thousand, three hundred twenty-eight".