50549431968 has 384 divisors, whose sum is σ = 173792908800. Its totient is φ = 13992321024.

The previous prime is 50549431943. The next prime is 50549431973. The reversal of 50549431968 is 86913494505.

50549431968 is a `hidden beast` number, since 5 + 0 + 549 + 4 + 3 + 1 + 96 + 8 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88838788 + ... + 88839356.

It is an arithmetic number, because the mean of its divisors is an integer number (452585700).

Almost surely, 2^50549431968 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 50549431968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86896454400).

50549431968 is an abundant number, since it is smaller than the sum of its proper divisors (123243476832).

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

50549431968 is a wasteful number, since it uses less digits than its factorization.

50549431968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 50549431968 in words is "fifty billion, five hundred forty-nine million, four hundred thirty-one thousand, nine hundred sixty-eight".