50549918 has 32 divisors (see below), whose sum is σ = 82855200. Its totient is φ = 23048064.

The previous prime is 50549909. The next prime is 50549921. The reversal of 50549918 is 81994505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220628 + ... + 220856.

It is an arithmetic number, because the mean of its divisors is an integer number (2589225).

Almost surely, 2^50549918 is an apocalyptic number.

50549918 is a deficient number, since it is larger than the sum of its proper divisors (32305282).

50549918 is a wasteful number, since it uses less digits than its factorization.

50549918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 50549918 is about 7109.8465524932. The cubic root of 50549918 is about 369.7488385555.

The spelling of 50549918 in words is "fifty million, five hundred forty-nine thousand, nine hundred eighteen".