50821522 has 8 divisors (see below), whose sum is σ = 76419900. Its totient is φ = 25348224.

The previous prime is 50821487. The next prime is 50821549. The reversal of 50821522 is 22512805.

50821522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 13256881 = 6129^2 + 3641^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 30247 + ... + 31882.

Almost surely, 2^50821522 is an apocalyptic number.

50821522 is a deficient number, since it is larger than the sum of its proper divisors (25598378).

50821522 is a wasteful number, since it uses less digits than its factorization.

50821522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62540.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 50821522 is about 7128.9215173124. The cubic root of 50821522 is about 370.4098744932.

The spelling of 50821522 in words is "fifty million, eight hundred twenty-one thousand, five hundred twenty-two".