53340445 has 4 divisors (see below), whose sum is σ = 64008540. Its totient is φ = 42672352.

The previous prime is 53340439. The next prime is 53340451. The reversal of 53340445 is 54404335.

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

It is an interprime number because it is at equal distance from previous prime (53340439) and next prime (53340451).

It can be written as a sum of positive squares in 2 ways, for example, as 12201049 + 41139396 = 3493^2 + 6414^2 .

It is a cyclic number.

It is not a de Polignac number, because 53340445 - 2³ = 53340437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5334040 + ... + 5334049.

It is an arithmetic number, because the mean of its divisors is an integer number (16002135).

Almost surely, 2^53340445 is an apocalyptic number.

It is an amenable number.

53340445 is a deficient number, since it is larger than the sum of its proper divisors (10668095).

53340445 is a wasteful number, since it uses less digits than its factorization.

53340445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668094.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 53340445 is about 7303.4543197038. The cubic root of 53340445 is about 376.4311416452.

The spelling of 53340445 in words is "fifty-three million, three hundred forty thousand, four hundred forty-five".