50985522 has 48 divisors (see below), whose sum is σ = 127033920. Its totient is φ = 14476896.

The previous prime is 50985521. The next prime is 50985527. The reversal of 50985522 is 22558905.

50985522 is a `hidden beast` number, since 50 + 9 + 85 + 522 = 666.

50985522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×50985522² = 5199046907224968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50985521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20629 + ... + 22967.

It is an arithmetic number, because the mean of its divisors is an integer number (2646540).

Almost surely, 2^50985522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50985522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63516960).

50985522 is an abundant number, since it is smaller than the sum of its proper divisors (76048398).

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

50985522 is a wasteful number, since it uses less digits than its factorization.

50985522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 50985522 is about 7140.4146938396. The cubic root of 50985522 is about 370.8078816798.

The spelling of 50985522 in words is "fifty million, nine hundred eighty-five thousand, five hundred twenty-two".