50775921630 has 224 divisors, whose sum is σ = 157210054848. Its totient is φ = 11561356800.

The previous prime is 50775921629. The next prime is 50775921671. The reversal of 50775921630 is 3612957705.

50775921630 is a `hidden beast` number, since 5 + 0 + 7 + 7 + 5 + 9 + 2 + 1 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 14337660 + ... + 14341200.

It is an arithmetic number, because the mean of its divisors is an integer number (701830602).

Almost surely, 2^50775921630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50775921630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78605027424).

50775921630 is an abundant number, since it is smaller than the sum of its proper divisors (106434133218).

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

50775921630 is a wasteful number, since it uses less digits than its factorization.

50775921630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854 (or 3839 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 50775921630 in words is "fifty billion, seven hundred seventy-five million, nine hundred twenty-one thousand, six hundred thirty".