50621515632 has 120 divisors (see below), whose sum is σ = 144236382368. Its totient is φ = 16569100800.

The previous prime is 50621515591. The next prime is 50621515663. The reversal of 50621515632 is 23651512605.

50621515632 is a `hidden beast` number, since 5 + 0 + 6 + 2 + 1 + 5 + 15 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5538138 + ... + 5547270.

Almost surely, 2^50621515632 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 50621515632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72118191184).

50621515632 is an abundant number, since it is smaller than the sum of its proper divisors (93614866736).

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

50621515632 is a wasteful number, since it uses less digits than its factorization.

50621515632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9839 (or 9830 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 50621515632 in words is "fifty billion, six hundred twenty-one million, five hundred fifteen thousand, six hundred thirty-two".