50613577938 has 144 divisors (see below), whose sum is σ = 139325546880. Its totient is φ = 13131115200.

The previous prime is 50613577907. The next prime is 50613578009. The reversal of 50613577938 is 83977531605.

50613577938 is a `hidden beast` number, since 5 + 0 + 61 + 3 + 577 + 9 + 3 + 8 = 666.

It is a super-3 number, since 3×50613577938³ (a number of 33 digits) contains 333 as substring.

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 71 ways as a sum of consecutive naturals, for example, 10077868 + ... + 10082888.

It is an arithmetic number, because the mean of its divisors is an integer number (967538520).

Almost surely, 2^50613577938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50613577938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69662773440).

50613577938 is an abundant number, since it is smaller than the sum of its proper divisors (88711968942).

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

50613577938 is a wasteful number, since it uses less digits than its factorization.

50613577938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093 (or 6083 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 50613577938 in words is "fifty billion, six hundred thirteen million, five hundred seventy-seven thousand, nine hundred thirty-eight".