553216420303 has 4 divisors (see below), whose sum is σ = 553388390080. Its totient is φ = 553044450528.

The previous prime is 553216420249. The next prime is 553216420331. The reversal of 553216420303 is 303024612355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553216420303 is a prime.

It is a super-2 number, since 2×553216420303² (a number of 24 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 (553216420363) 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, 85980063 + ... + 85986496.

It is an arithmetic number, because the mean of its divisors is an integer number (138347097520).

Almost surely, 2^553216420303 is an apocalyptic number.

553216420303 is a deficient number, since it is larger than the sum of its proper divisors (171969777).

553216420303 is a wasteful number, since it uses less digits than its factorization.

553216420303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171969776.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 553216420303 in words is "five hundred fifty-three billion, two hundred sixteen million, four hundred twenty thousand, three hundred three".