50142986 has 8 divisors (see below), whose sum is σ = 75990180. Its totient is φ = 24812928.

The previous prime is 50142949. The next prime is 50143003. The reversal of 50142986 is 68924105.

It can be written as a sum of positive squares in 2 ways, for example, as 49970761 + 172225 = 7069^2 + 415^2 .

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, 129041 + ... + 129428.

Almost surely, 2^50142986 is an apocalyptic number.

50142986 is a deficient number, since it is larger than the sum of its proper divisors (25847194).

50142986 is a wasteful number, since it uses less digits than its factorization.

50142986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258568.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 50142986 is about 7081.1712308064. The cubic root of 50142986 is about 368.7539922578.

It can be divided in two parts, 5014 and 2986, that added together give a cube (8000 = 20³).

The spelling of 50142986 in words is "fifty million, one hundred forty-two thousand, nine hundred eighty-six".