53513343031303 has 4 divisors (see below), whose sum is σ = 53513385491520. Its totient is φ = 53513300571088.

The previous prime is 53513343031277. The next prime is 53513343031327. The reversal of 53513343031303 is 30313034331535.

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 53513343031303 - 2¹³ = 53513343023111 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 (53513343037303) 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, 19279918 + ... + 21880171.

It is an arithmetic number, because the mean of its divisors is an integer number (13378346372880).

Almost surely, 2^{53513343031303} is an apocalyptic number.

53513343031303 is a deficient number, since it is larger than the sum of its proper divisors (42460217).

53513343031303 is a wasteful number, since it uses less digits than its factorization.

53513343031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42460216.

The product of its (nonzero) digits is 218700, while the sum is 37.

Adding to 53513343031303 its reverse (30313034331535), we get a palindrome (83826377362838).

The spelling of 53513343031303 in words is "fifty-three trillion, five hundred thirteen billion, three hundred forty-three million, thirty-one thousand, three hundred three".