50128078 has 80 divisors (see below), whose sum is σ = 104466096. Its totient is φ = 17781120.

The previous prime is 50128051. The next prime is 50128079. The reversal of 50128078 is 87082105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50128079) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 686650 + ... + 686722.

Almost surely, 2^50128078 is an apocalyptic number.

50128078 is an abundant number, since it is smaller than the sum of its proper divisors (54338018).

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

50128078 is a wasteful number, since it uses less digits than its factorization.

50128078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 50128078 is about 7080.1185018331. The cubic root of 50128078 is about 368.7174439131.

The spelling of 50128078 in words is "fifty million, one hundred twenty-eight thousand, seventy-eight".