53030503 has 8 divisors (see below), whose sum is σ = 53640576. Its totient is φ = 52423800.

The previous prime is 53030459. The next prime is 53030519. The reversal of 53030503 is 30503035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53030503 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 (53030573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42750 + ... + 43972.

It is an arithmetic number, because the mean of its divisors is an integer number (6705072).

Almost surely, 2^53030503 is an apocalyptic number.

53030503 is a deficient number, since it is larger than the sum of its proper divisors (610073).

53030503 is a wasteful number, since it uses less digits than its factorization.

53030503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 53030503 is about 7282.2045425819. The cubic root of 53030503 is about 375.7006232274.

Adding to 53030503 its reverse (30503035), we get a palindrome (83533538).

The spelling of 53030503 in words is "fifty-three million, thirty thousand, five hundred three".