50290386 has 16 divisors (see below), whose sum is σ = 106497504. Its totient is φ = 15777344.

The previous prime is 50290381. The next prime is 50290417. The reversal of 50290386 is 68309205.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50290381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246420 + ... + 246623.

It is an arithmetic number, because the mean of its divisors is an integer number (6656094).

Almost surely, 2^50290386 is an apocalyptic number.

50290386 is an abundant number, since it is smaller than the sum of its proper divisors (56207118).

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

50290386 is a wasteful number, since it uses less digits than its factorization.

50290386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493065.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 50290386 is about 7091.5714760552. The cubic root of 50290386 is about 369.1149677382.

The spelling of 50290386 in words is "fifty million, two hundred ninety thousand, three hundred eighty-six".