53521622 has 48 divisors (see below), whose sum is σ = 102928320. Its totient is φ = 20638800.

The previous prime is 53521619. The next prime is 53521681. The reversal of 53521622 is 22612535.

53521622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53521591 and 53521600.

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 23 ways as a sum of consecutive naturals, for example, 141029 + ... + 141407.

It is an arithmetic number, because the mean of its divisors is an integer number (2144340).

Almost surely, 2^53521622 is an apocalyptic number.

53521622 is a deficient number, since it is larger than the sum of its proper divisors (49406698).

53521622 is a wasteful number, since it uses less digits than its factorization.

53521622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 530 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 53521622 is about 7315.8473193472. The cubic root of 53521622 is about 376.8568573360.

The spelling of 53521622 in words is "fifty-three million, five hundred twenty-one thousand, six hundred twenty-two".