50445918 has 12 divisors (see below), whose sum is σ = 109299528. Its totient is φ = 16815300.

The previous prime is 50445907. The next prime is 50445937. The reversal of 50445918 is 81954405.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1401258 + ... + 1401293.

It is an arithmetic number, because the mean of its divisors is an integer number (9108294).

Almost surely, 2^50445918 is an apocalyptic number.

50445918 is an abundant number, since it is smaller than the sum of its proper divisors (58853610).

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

50445918 is a wasteful number, since it uses less digits than its factorization.

50445918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802559 (or 2802556 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 50445918 is about 7102.5289862133. The cubic root of 50445918 is about 369.4950941234.

The spelling of 50445918 in words is "fifty million, four hundred forty-five thousand, nine hundred eighteen".