53604473 has 4 divisors (see below), whose sum is σ = 57727908. Its totient is φ = 49481040.

The previous prime is 53604449. The next prime is 53604497. The reversal of 53604473 is 37440635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37440635 = 5 ⋅7488127.

It is an interprime number because it is at equal distance from previous prime (53604449) and next prime (53604497).

It can be written as a sum of positive squares in 2 ways, for example, as 6091024 + 47513449 = 2468^2 + 6893^2 .

It is a cyclic number.

It is not a de Polignac number, because 53604473 - 2¹⁰ = 53603449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53604413) 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, 2061698 + ... + 2061723.

It is an arithmetic number, because the mean of its divisors is an integer number (14431977).

Almost surely, 2^53604473 is an apocalyptic number.

It is an amenable number.

53604473 is a deficient number, since it is larger than the sum of its proper divisors (4123435).

53604473 is a wasteful number, since it uses less digits than its factorization.

53604473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123434.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 53604473 is about 7321.5075633369. The cubic root of 53604473 is about 377.0512141162.

The spelling of 53604473 in words is "fifty-three million, six hundred four thousand, four hundred seventy-three".