53984453 has 4 divisors (see below), whose sum is σ = 56825760. Its totient is φ = 51143148.

The previous prime is 53984419. The next prime is 53984461. The reversal of 53984453 is 35448935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35448935 = 5 ⋅7089787.

It is a cyclic number.

It is not a de Polignac number, because 53984453 - 2¹² = 53980357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53984453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53984653) 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, 1420625 + ... + 1420662.

It is an arithmetic number, because the mean of its divisors is an integer number (14206440).

Almost surely, 2^53984453 is an apocalyptic number.

It is an amenable number.

53984453 is a deficient number, since it is larger than the sum of its proper divisors (2841307).

53984453 is a wasteful number, since it uses less digits than its factorization.

53984453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841306.

The product of its digits is 259200, while the sum is 41.

The square root of 53984453 is about 7347.4113128367. The cubic root of 53984453 is about 377.9400374264.

The spelling of 53984453 in words is "fifty-three million, nine hundred eighty-four thousand, four hundred fifty-three".