53400322 has 4 divisors (see below), whose sum is σ = 80100486. Its totient is φ = 26700160.

The previous prime is 53400289. The next prime is 53400323. The reversal of 53400322 is 22300435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 17147881 = 6021^2 + 4141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53400322.

It is not an unprimeable number, because it can be changed into a prime (53400323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350079 + ... + 13350082.

Almost surely, 2^53400322 is an apocalyptic number.

53400322 is a deficient number, since it is larger than the sum of its proper divisors (26700164).

53400322 is a wasteful number, since it uses less digits than its factorization.

53400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700163.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 53400322 is about 7307.5523946120. The cubic root of 53400322 is about 376.5719424880.

Adding to 53400322 its reverse (22300435), we get a palindrome (75700757).

The spelling of 53400322 in words is "fifty-three million, four hundred thousand, three hundred twenty-two".