53522249 has 4 divisors (see below), whose sum is σ = 58387920. Its totient is φ = 48656580.

The previous prime is 53522207. The next prime is 53522267. The reversal of 53522249 is 94222535.

53522249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53522249 is a prime.

It is a super-2 number, since 2×53522249² = 5729262276036002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53522279) 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 3 ways as a sum of consecutive naturals, for example, 2432819 + ... + 2432840.

It is an arithmetic number, because the mean of its divisors is an integer number (14596980).

Almost surely, 2^53522249 is an apocalyptic number.

It is an amenable number.

53522249 is a deficient number, since it is larger than the sum of its proper divisors (4865671).

53522249 is a wasteful number, since it uses less digits than its factorization.

53522249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865670.

The product of its digits is 21600, while the sum is 32.

The square root of 53522249 is about 7315.8901714009. The cubic root of 53522249 is about 376.8583289427.

The spelling of 53522249 in words is "fifty-three million, five hundred twenty-two thousand, two hundred forty-nine".