50409858 has 32 divisors (see below), whose sum is σ = 103704192. Its totient is φ = 16329600.

The previous prime is 50409823. The next prime is 50409883. The reversal of 50409858 is 85890405.

It is a Curzon 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, 30288 + ... + 31908.

It is an arithmetic number, because the mean of its divisors is an integer number (3240756).

Almost surely, 2^50409858 is an apocalyptic number.

50409858 is an abundant number, since it is smaller than the sum of its proper divisors (53294334).

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

50409858 is a wasteful number, since it uses less digits than its factorization.

50409858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 50409858 is about 7099.9899999930. The cubic root of 50409858 is about 369.4070317016.

The spelling of 50409858 in words is "fifty million, four hundred nine thousand, eight hundred fifty-eight".