50508418 has 4 divisors (see below), whose sum is σ = 75762630. Its totient is φ = 25254208.

The previous prime is 50508379. The next prime is 50508431. The reversal of 50508418 is 81480505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49238289 + 1270129 = 7017^2 + 1127^2 .

It is a super-2 number, since 2×50508418² = 5102200577725448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 50508418.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627103 + ... + 12627106.

Almost surely, 2^50508418 is an apocalyptic number.

50508418 is a deficient number, since it is larger than the sum of its proper divisors (25254212).

50508418 is a wasteful number, since it uses less digits than its factorization.

50508418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254211.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 50508418 is about 7106.9274655086. The cubic root of 50508418 is about 369.6476265360.

The spelling of 50508418 in words is "fifty million, five hundred eight thousand, four hundred eighteen".