53561522 has 8 divisors (see below), whose sum is σ = 91819776. Its totient is φ = 22954932.

The previous prime is 53561507. The next prime is 53561567. The reversal of 53561522 is 22516535.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912898 + ... + 1912925.

It is an arithmetic number, because the mean of its divisors is an integer number (11477472).

Almost surely, 2^53561522 is an apocalyptic number.

53561522 is a deficient number, since it is larger than the sum of its proper divisors (38258254).

53561522 is a wasteful number, since it uses less digits than its factorization.

53561522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825832.

The product of its digits is 9000, while the sum is 29.

The square root of 53561522 is about 7318.5737681600. The cubic root of 53561522 is about 376.9504821369.

The spelling of 53561522 in words is "fifty-three million, five hundred sixty-one thousand, five hundred twenty-two".