53042053274503 has 4 divisors (see below), whose sum is σ = 54475622281960. Its totient is φ = 51608484267048.

The previous prime is 53042053274489. The next prime is 53042053274513. The reversal of 53042053274503 is 30547235024035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53042053274503 - 2¹³ = 53042053266311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53042053274503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53042053274513) 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, 716784503673 + ... + 716784503746.

It is an arithmetic number, because the mean of its divisors is an integer number (13618905570490).

Almost surely, 2^{53042053274503} is an apocalyptic number.

53042053274503 is a deficient number, since it is larger than the sum of its proper divisors (1433569007457).

53042053274503 is a wasteful number, since it uses less digits than its factorization.

53042053274503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433569007456.

The product of its (nonzero) digits is 1512000, while the sum is 43.

Adding to 53042053274503 its reverse (30547235024035), we get a palindrome (83589288298538).

The spelling of 53042053274503 in words is "fifty-three trillion, forty-two billion, fifty-three million, two hundred seventy-four thousand, five hundred three".