50739651508 has 72 divisors (see below), whose sum is σ = 111287330784. Its totient is φ = 20063736000.

The previous prime is 50739651499. The next prime is 50739651541. The reversal of 50739651508 is 80515693705.

It is a Harshad number since it is a multiple of its sum of digits (49).

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, 9809763 + ... + 9814933.

It is an arithmetic number, because the mean of its divisors is an integer number (1545657372).

Almost surely, 2^50739651508 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 50739651508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55643665392).

50739651508 is an abundant number, since it is smaller than the sum of its proper divisors (60547679276).

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

50739651508 is a wasteful number, since it uses less digits than its factorization.

50739651508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053 (or 9044 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 50739651508 in words is "fifty billion, seven hundred thirty-nine million, six hundred fifty-one thousand, five hundred eight".