50866158 has 64 divisors (see below), whose sum is σ = 120637440. Its totient is φ = 13996800.

The previous prime is 50866147. The next prime is 50866163. The reversal of 50866158 is 85166805.

50866158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187563 + ... + 187833.

It is an arithmetic number, because the mean of its divisors is an integer number (1884960).

Almost surely, 2^50866158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50866158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60318720).

50866158 is an abundant number, since it is smaller than the sum of its proper divisors (69771282).

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

50866158 is a wasteful number, since it uses less digits than its factorization.

50866158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 50866158 is about 7132.0514580309. The cubic root of 50866158 is about 370.5182851064.

It can be divided in two parts, 508 and 66158, that added together give a palindrome (66666).

The spelling of 50866158 in words is "fifty million, eight hundred sixty-six thousand, one hundred fifty-eight".