53816560503 has 8 divisors (see below), whose sum is σ = 71762189808. Its totient is φ = 35874319104.

The previous prime is 53816560477. The next prime is 53816560519. The reversal of 53816560503 is 30506561835.

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 53816560503 - 2¹⁰ = 53816559479 is a prime.

It is a super-2 number, since 2×53816560503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53816560003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809676 + ... + 873617.

It is an arithmetic number, because the mean of its divisors is an integer number (8970273726).

Almost surely, 2^53816560503 is an apocalyptic number.

53816560503 is a deficient number, since it is larger than the sum of its proper divisors (17945629305).

53816560503 is a wasteful number, since it uses less digits than its factorization.

53816560503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693953.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 53816560503 in words is "fifty-three billion, eight hundred sixteen million, five hundred sixty thousand, five hundred three".