50220418 has 8 divisors (see below), whose sum is σ = 75495420. Its totient is φ = 25055280.

The previous prime is 50220383. The next prime is 50220421. The reversal of 50220418 is 81402205.

It can be written as a sum of positive squares in 2 ways, for example, as 50168889 + 51529 = 7083^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26313 + ... + 28156.

Almost surely, 2^50220418 is an apocalyptic number.

50220418 is a deficient number, since it is larger than the sum of its proper divisors (25275002).

50220418 is a wasteful number, since it uses less digits than its factorization.

50220418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54932.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 50220418 is about 7086.6365788010. The cubic root of 50220418 is about 368.9437075528.

It can be divided in two parts, 50220 and 418, that multiplied together give a triangular number (20991960 = T₆₄₇₉).

The spelling of 50220418 in words is "fifty million, two hundred twenty thousand, four hundred eighteen".