50790091968 has 504 divisors, whose sum is σ = 185520201984. Its totient is φ = 12904012800.

The previous prime is 50790091951. The next prime is 50790092029. The reversal of 50790091968 is 86919009705.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×50790091968² (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 (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 399921921 + ... + 399922047.

Almost surely, 2^50790091968 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 50790091968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92760100992).

50790091968 is an abundant number, since it is smaller than the sum of its proper divisors (134730110016).

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

50790091968 is a wasteful number, since it uses less digits than its factorization.

50790091968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 50790091968 in words is "fifty billion, seven hundred ninety million, ninety-one thousand, nine hundred sixty-eight".