50249986 has 8 divisors (see below), whose sum is σ = 78652224. Its totient is φ = 24032580.

The previous prime is 50249957. The next prime is 50249987. The reversal of 50249986 is 68994205.

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

It is a super-2 number, since 2×50249986² = 5050122186000392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50249987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546150 + ... + 546241.

It is an arithmetic number, because the mean of its divisors is an integer number (9831528).

Almost surely, 2^50249986 is an apocalyptic number.

50249986 is a deficient number, since it is larger than the sum of its proper divisors (28402238).

50249986 is a wasteful number, since it uses less digits than its factorization.

50249986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092416.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 50249986 is about 7088.7224518950. The cubic root of 50249986 is about 369.0161003347.

The spelling of 50249986 in words is "fifty million, two hundred forty-nine thousand, nine hundred eighty-six".