50000418 has 48 divisors (see below), whose sum is σ = 117497016. Its totient is φ = 15275520.

The previous prime is 50000399. The next prime is 50000429. The reversal of 50000418 is 81400005.

It can be written as a sum of positive squares in 4 ways, for example, as 20548089 + 29452329 = 4533^2 + 5427^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50000418.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36058 + ... + 37418.

Almost surely, 2^50000418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50000418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58748508).

50000418 is an abundant number, since it is smaller than the sum of its proper divisors (67496598).

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

50000418 is a wasteful number, since it uses less digits than its factorization.

50000418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 50000418 is about 7071.0973688672. The cubic root of 50000418 is about 368.4041764780.

The spelling of 50000418 in words is "fifty million, four hundred eighteen", and thus it is an aban number.