53604503 has 4 divisors (see below), whose sum is σ = 54359568. Its totient is φ = 52849440.

The previous prime is 53604497. The next prime is 53604511. The reversal of 53604503 is 30540635.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53604503 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 (53604533) 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, 377426 + ... + 377567.

It is an arithmetic number, because the mean of its divisors is an integer number (13589892).

Almost surely, 2^53604503 is an apocalyptic number.

53604503 is a deficient number, since it is larger than the sum of its proper divisors (755065).

53604503 is an equidigital number, since it uses as much as digits as its factorization.

53604503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755064.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 53604503 is about 7321.5096120950. The cubic root of 53604503 is about 377.0512844557.

The spelling of 53604503 in words is "fifty-three million, six hundred four thousand, five hundred three".