53403382 has 12 divisors (see below), whose sum is σ = 81039276. Its totient is φ = 26393840.

The previous prime is 53403331. The next prime is 53403391. The reversal of 53403382 is 28330435.

It is a self number, because there is not a number n which added to its sum of digits gives 53403382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14157 + ... + 17527.

It is an arithmetic number, because the mean of its divisors is an integer number (6753273).

Almost surely, 2^53403382 is an apocalyptic number.

53403382 is a deficient number, since it is larger than the sum of its proper divisors (27635894).

53403382 is an equidigital number, since it uses as much as digits as its factorization.

53403382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551 (or 3462 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 53403382 is about 7307.7617640424. The cubic root of 53403382 is about 376.5791352545.

The spelling of 53403382 in words is "fifty-three million, four hundred three thousand, three hundred eighty-two".