553503305355 has 128 divisors (see below), whose sum is σ = 1195046092800. Its totient is φ = 211264796160.

The previous prime is 553503305281. The next prime is 553503305359.

553503305355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 553503305355 - 2⁹ = 553503304843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553503305359) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2895364 + ... + 3080606.

It is an arithmetic number, because the mean of its divisors is an integer number (9336297600).

Almost surely, 2^553503305355 is an apocalyptic number.

553503305355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

553503305355 is an abundant number, since it is smaller than the sum of its proper divisors (641542787445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553503305355 is a wasteful number, since it uses less digits than its factorization.

553503305355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185481.

The product of its (nonzero) digits is 1265625, while the sum is 42.

It can be divided in two parts, 553503 and 305355, that added together give a palindrome (858858).

The spelling of 553503305355 in words is "five hundred fifty-three billion, five hundred three million, three hundred five thousand, three hundred fifty-five".