50018660 has 12 divisors (see below), whose sum is σ = 105039228. Its totient is φ = 20007456.

The previous prime is 50018653. The next prime is 50018681. The reversal of 50018660 is 6681005.

It can be written as a sum of positive squares in 2 ways, for example, as 17505856 + 32512804 = 4184^2 + 5702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250447 + ... + 1250486.

It is an arithmetic number, because the mean of its divisors is an integer number (8753269).

Almost surely, 2^50018660 is an apocalyptic number.

It is an amenable number.

50018660 is an abundant number, since it is smaller than the sum of its proper divisors (55020568).

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

50018660 is a wasteful number, since it uses less digits than its factorization.

50018660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500942 (or 2500940 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 50018660 is about 7072.3871500364. The cubic root of 50018660 is about 368.4489735159.

Adding to 50018660 its reverse (6681005), we get a palindrome (56699665).

The spelling of 50018660 in words is "fifty million, eighteen thousand, six hundred sixty".