53003551532503 has 32 divisors (see below), whose sum is σ = 63110654208000. Its totient is φ = 43878908736000.

The previous prime is 53003551532471. The next prime is 53003551532531. The reversal of 53003551532503 is 30523515530035.

It is not a de Polignac number, because 53003551532503 - 2⁵ = 53003551532471 is a prime.

It is a super-2 number, since 2×53003551532503² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53003551532203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11614398 + ... + 15520996.

It is an arithmetic number, because the mean of its divisors is an integer number (1972207944000).

Almost surely, 2^{53003551532503} is an apocalyptic number.

53003551532503 is a deficient number, since it is larger than the sum of its proper divisors (10107102675497).

53003551532503 is a wasteful number, since it uses less digits than its factorization.

53003551532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907903.

The product of its (nonzero) digits is 506250, while the sum is 40.

The spelling of 53003551532503 in words is "fifty-three trillion, three billion, five hundred fifty-one million, five hundred thirty-two thousand, five hundred three".