50128648 has 16 divisors (see below), whose sum is σ = 99520380. Its totient is φ = 23589888.

The previous prime is 50128607. The next prime is 50128651. The reversal of 50128648 is 84682105.

It can be written as a sum of positive squares in 2 ways, for example, as 37724164 + 12404484 = 6142^2 + 3522^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 184161 + ... + 184432.

Almost surely, 2^50128648 is an apocalyptic number.

It is an amenable number.

50128648 is a deficient number, since it is larger than the sum of its proper divisors (49391732).

50128648 is a wasteful number, since it uses less digits than its factorization.

50128648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368616 (or 368612 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 50128648 is about 7080.1587552823. The cubic root of 50128648 is about 368.7188414542.

The spelling of 50128648 in words is "fifty million, one hundred twenty-eight thousand, six hundred forty-eight".