50891226728 has 16 divisors (see below), whose sum is σ = 95873285760. Its totient is φ = 25325017200.

The previous prime is 50891226709. The next prime is 50891226731. The reversal of 50891226728 is 82762219805.

It is a super-3 number, since 3×50891226728³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15072728 + ... + 15076103.

It is an arithmetic number, because the mean of its divisors is an integer number (5992080360).

Almost surely, 2^50891226728 is an apocalyptic number.

It is an amenable number.

50891226728 is a deficient number, since it is larger than the sum of its proper divisors (44982059032).

50891226728 is a wasteful number, since it uses less digits than its factorization.

50891226728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30149048 (or 30149044 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 50891226728 in words is "fifty billion, eight hundred ninety-one million, two hundred twenty-six thousand, seven hundred twenty-eight".