53403332 has 12 divisors (see below), whose sum is σ = 97519296. Its totient is φ = 25540680.

The previous prime is 53403331. The next prime is 53403391. The reversal of 53403332 is 23330435.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 53403298 and 53403307.

It is not an unprimeable number, because it can be changed into a prime (53403331) 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, 290144 + ... + 290327.

It is an arithmetic number, because the mean of its divisors is an integer number (8126608).

Almost surely, 2^53403332 is an apocalyptic number.

It is an amenable number.

53403332 is a deficient number, since it is larger than the sum of its proper divisors (44115964).

53403332 is a wasteful number, since it uses less digits than its factorization.

53403332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580498 (or 580496 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 53403332 is about 7307.7583430215. The cubic root of 53403332 is about 376.5790177278.

Adding to 53403332 its reverse (23330435), we get a palindrome (76733767).

It can be divided in two parts, 53403 and 332, that added together give a palindrome (53735).

The spelling of 53403332 in words is "fifty-three million, four hundred three thousand, three hundred thirty-two".