53455453 has 4 divisors (see below), whose sum is σ = 53945980. Its totient is φ = 52964928.

The previous prime is 53455433. The next prime is 53455469. The reversal of 53455453 is 35455435.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16949689 + 36505764 = 4117^2 + 6042^2 .

It is a cyclic number.

It is not a de Polignac number, because 53455453 - 2⁹ = 53454941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53455433) 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, 245100 + ... + 245317.

It is an arithmetic number, because the mean of its divisors is an integer number (13486495).

Almost surely, 2^53455453 is an apocalyptic number.

It is an amenable number.

53455453 is a deficient number, since it is larger than the sum of its proper divisors (490527).

53455453 is a wasteful number, since it uses less digits than its factorization.

53455453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490526.

The product of its digits is 90000, while the sum is 34.

The square root of 53455453 is about 7311.3236147773. The cubic root of 53455453 is about 376.7014900671.

The spelling of 53455453 in words is "fifty-three million, four hundred fifty-five thousand, four hundred fifty-three".