53997322 has 8 divisors (see below), whose sum is σ = 82323972. Its totient is φ = 26556000.

The previous prime is 53997277. The next prime is 53997323. The reversal of 53997322 is 22379935.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35153041 + 18844281 = 5929^2 + 4341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53997323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221179 + ... + 221422.

Almost surely, 2^53997322 is an apocalyptic number.

53997322 is a deficient number, since it is larger than the sum of its proper divisors (28326650).

53997322 is a wasteful number, since it uses less digits than its factorization.

53997322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442664.

The product of its digits is 102060, while the sum is 40.

The square root of 53997322 is about 7348.2870112700. The cubic root of 53997322 is about 377.9700665900.

It can be divided in two parts, 5399 and 7322, that added together give a palindrome (12721).

The spelling of 53997322 in words is "fifty-three million, nine hundred ninety-seven thousand, three hundred twenty-two".