53503352403 has 16 divisors (see below), whose sum is σ = 71873049600. Its totient is φ = 35401384256.

The previous prime is 53503352401. The next prime is 53503352429. The reversal of 53503352403 is 30425330535.

53503352403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53503352403 - 2¹ = 53503352401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53503352401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2702326 + ... + 2722052.

It is an arithmetic number, because the mean of its divisors is an integer number (4492065600).

Almost surely, 2^53503352403 is an apocalyptic number.

53503352403 is a deficient number, since it is larger than the sum of its proper divisors (18369697197).

53503352403 is a wasteful number, since it uses less digits than its factorization.

53503352403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466.

The product of its (nonzero) digits is 81000, while the sum is 33.

Adding to 53503352403 its reverse (30425330535), we get a palindrome (83928682938).

The spelling of 53503352403 in words is "fifty-three billion, five hundred three million, three hundred fifty-two thousand, four hundred three".