50691522 has 16 divisors (see below), whose sum is σ = 115866432. Its totient is φ = 14483280.

The previous prime is 50691497. The next prime is 50691523. The reversal of 50691522 is 22519605.

It is a happy number.

50691522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50691522.

It is not an unprimeable number, because it can be changed into a prime (50691523) 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 7 ways as a sum of consecutive naturals, for example, 603429 + ... + 603512.

It is an arithmetic number, because the mean of its divisors is an integer number (7241652).

Almost surely, 2^50691522 is an apocalyptic number.

50691522 is an abundant number, since it is smaller than the sum of its proper divisors (65174910).

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

50691522 is a wasteful number, since it uses less digits than its factorization.

50691522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206953.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 50691522 is about 7119.7978903899. The cubic root of 50691522 is about 370.0937721906.

The spelling of 50691522 in words is "fifty million, six hundred ninety-one thousand, five hundred twenty-two".