53081350503 has 8 divisors (see below), whose sum is σ = 71424447600. Its totient is φ = 35062910208.

The previous prime is 53081350489. The next prime is 53081350507. The reversal of 53081350503 is 30505318035.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53081350503 - 2²⁸ = 52812915047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53081350507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81163818 + ... + 81164471.

It is an arithmetic number, because the mean of its divisors is an integer number (8928055950).

Almost surely, 2^53081350503 is an apocalyptic number.

53081350503 is a deficient number, since it is larger than the sum of its proper divisors (18343097097).

53081350503 is a wasteful number, since it uses less digits than its factorization.

53081350503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162328401.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 53081350503 its reverse (30505318035), we get a palindrome (83586668538).

The spelling of 53081350503 in words is "fifty-three billion, eighty-one million, three hundred fifty thousand, five hundred three".