50008518 has 108 divisors (see below), whose sum is σ = 132446340. Its totient is φ = 13592880.

The previous prime is 50008507. The next prime is 50008529. The reversal of 50008518 is 81580005.

It is an interprime number because it is at equal distance from previous prime (50008507) and next prime (50008529).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50008491 and 50008500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 847573 + ... + 847631.

It is an arithmetic number, because the mean of its divisors is an integer number (1226355).

Almost surely, 2^50008518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50008518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66223170).

50008518 is an abundant number, since it is smaller than the sum of its proper divisors (82437822).

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

50008518 is a wasteful number, since it uses less digits than its factorization.

50008518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 50008518 is about 7071.6700997713. The cubic root of 50008518 is about 368.4240690630.

The spelling of 50008518 in words is "fifty million, eight thousand, five hundred eighteen".