53384503 has 4 divisors (see below), whose sum is σ = 53478568. Its totient is φ = 53290440.

The previous prime is 53384497. The next prime is 53384519. The reversal of 53384503 is 30548335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30548335 = 5 ⋅6109667.

It is a cyclic number.

It is not a de Polignac number, because 53384503 - 2⁹ = 53383991 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 (53384533) 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, 46176 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (13369642).

Almost surely, 2^53384503 is an apocalyptic number.

53384503 is a deficient number, since it is larger than the sum of its proper divisors (94065).

53384503 is an equidigital number, since it uses as much as digits as its factorization.

53384503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94064.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 53384503 is about 7306.4699410865. The cubic root of 53384503 is about 376.5347543235.

The spelling of 53384503 in words is "fifty-three million, three hundred eighty-four thousand, five hundred three".