50661752832 has 136 divisors (see below), whose sum is σ = 150112994880. Its totient is φ = 16886661120.

The previous prime is 50661752777. The next prime is 50661752899. The reversal of 50661752832 is 23825716605.

50661752832 is a `hidden beast` number, since 5 + 0 + 6 + 617 + 5 + 28 + 3 + 2 = 666.

It is a super-2 number, since 2×50661752832² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755157 + ... + 1783787.

Almost surely, 2^50661752832 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 50661752832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75056497440).

50661752832 is an abundant number, since it is smaller than the sum of its proper divisors (99451242048).

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

50661752832 is an frugal number, since it uses more digits than its factorization.

50661752832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28672 (or 28636 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 50661752832 in words is "fifty billion, six hundred sixty-one million, seven hundred fifty-two thousand, eight hundred thirty-two".