50128768 has 16 divisors (see below), whose sum is σ = 99866160. Its totient is φ = 25064320.

The previous prime is 50128759. The next prime is 50128777. The reversal of 50128768 is 86782105.

It is an interprime number because it is at equal distance from previous prime (50128759) and next prime (50128777).

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195688 + ... + 195943.

It is an arithmetic number, because the mean of its divisors is an integer number (6241635).

Almost surely, 2^50128768 is an apocalyptic number.

It is an amenable number.

50128768 is a deficient number, since it is larger than the sum of its proper divisors (49737392).

50128768 is an equidigital number, since it uses as much as digits as its factorization.

50128768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391645 (or 391633 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 50128768 is about 7080.1672296634. The cubic root of 50128768 is about 368.7191356720.

The spelling of 50128768 in words is "fifty million, one hundred twenty-eight thousand, seven hundred sixty-eight".