50149939752 has 512 divisors, whose sum is σ = 167978188800. Its totient is φ = 13799808000.

The previous prime is 50149939739. The next prime is 50149939759. The reversal of 50149939752 is 25793994105.

50149939752 is a `hidden beast` number, since 50 + 1 + 499 + 39 + 75 + 2 = 666.

50149939752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (50149939759) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 151510227 + ... + 151510557.

It is an arithmetic number, because the mean of its divisors is an integer number (328082400).

Almost surely, 2^50149939752 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 50149939752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83989094400).

50149939752 is an abundant number, since it is smaller than the sum of its proper divisors (117828249048).

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

50149939752 is a wasteful number, since it uses less digits than its factorization.

50149939752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 50149939752 in words is "fifty billion, one hundred forty-nine million, nine hundred thirty-nine thousand, seven hundred fifty-two".