53326716503 has 4 divisors (see below), whose sum is σ = 53327189688. Its totient is φ = 53326243320.

The previous prime is 53326716473. The next prime is 53326716517. The reversal of 53326716503 is 30561762335.

It is a happy number.

53326716503 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53326716503 - 2¹⁸ = 53326454359 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 (53326716523) 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, 41093 + ... + 329153.

It is an arithmetic number, because the mean of its divisors is an integer number (13331797422).

Almost surely, 2^53326716503 is an apocalyptic number.

53326716503 is a deficient number, since it is larger than the sum of its proper divisors (473185).

53326716503 is a wasteful number, since it uses less digits than its factorization.

53326716503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473184.

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 53326716503 in words is "fifty-three billion, three hundred twenty-six million, seven hundred sixteen thousand, five hundred three".