50018508 has 18 divisors (see below), whose sum is σ = 126435764. Its totient is φ = 16672824.

The previous prime is 50018477. The next prime is 50018509. The reversal of 50018508 is 80581005.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×50018508² = 5003702285092128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50018509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694666 + ... + 694737.

Almost surely, 2^50018508 is an apocalyptic number.

It is an amenable number.

50018508 is an abundant number, since it is smaller than the sum of its proper divisors (76417256).

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

50018508 is a wasteful number, since it uses less digits than its factorization.

50018508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389413 (or 1389408 counting only the distinct ones).

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

The square root of 50018508 is about 7072.3764040102. The cubic root of 50018508 is about 368.4486002932.

The spelling of 50018508 in words is "fifty million, eighteen thousand, five hundred eight".