53453389 has 16 divisors (see below), whose sum is σ = 62099136. Its totient is φ = 45472000.

The previous prime is 53453377. The next prime is 53453443. The reversal of 53453389 is 98335435.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53453389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53453329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36114 + ... + 37564.

It is an arithmetic number, because the mean of its divisors is an integer number (3881196).

Almost surely, 2^53453389 is an apocalyptic number.

It is an amenable number.

53453389 is a deficient number, since it is larger than the sum of its proper divisors (8645747).

53453389 is a wasteful number, since it uses less digits than its factorization.

53453389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its digits is 194400, while the sum is 40.

The square root of 53453389 is about 7311.1824625022. The cubic root of 53453389 is about 376.6966416570.

The spelling of 53453389 in words is "fifty-three million, four hundred fifty-three thousand, three hundred eighty-nine".