53530003 has 4 divisors (see below), whose sum is σ = 53635680. Its totient is φ = 53424328.

The previous prime is 53529989. The next prime is 53530007. The reversal of 53530003 is 30003535.

53530003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-53530003 is a prime.

It is a super-2 number, since 2×53530003² = 5730922442360018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53530007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52075 + ... + 53092.

It is an arithmetic number, because the mean of its divisors is an integer number (13408920).

Almost surely, 2^53530003 is an apocalyptic number.

53530003 is a deficient number, since it is larger than the sum of its proper divisors (105677).

53530003 is a wasteful number, since it uses less digits than its factorization.

53530003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105676.

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

The square root of 53530003 is about 7316.4200945544. The cubic root of 53530003 is about 376.8765270966.

Adding to 53530003 its reverse (30003535), we get a palindrome (83533538).

The spelling of 53530003 in words is "fifty-three million, five hundred thirty thousand, three".