55213532333 has 4 divisors (see below), whose sum is σ = 56255297148. Its totient is φ = 54171767520.

The previous prime is 55213532299. The next prime is 55213532351. The reversal of 55213532333 is 33323531255.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47872127209 + 7341405124 = 218797^2 + 85682^2 .

It is a cyclic number.

It is not a de Polignac number, because 55213532333 - 2¹⁰ = 55213531309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55213532293 and 55213532302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55213537333) 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, 520882328 + ... + 520882433.

It is an arithmetic number, because the mean of its divisors is an integer number (14063824287).

Almost surely, 2^55213532333 is an apocalyptic number.

55213532333 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55213532333 is a deficient number, since it is larger than the sum of its proper divisors (1041764815).

55213532333 is a wasteful number, since it uses less digits than its factorization.

55213532333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041764814.

The product of its digits is 121500, while the sum is 35.

The spelling of 55213532333 in words is "fifty-five billion, two hundred thirteen million, five hundred thirty-two thousand, three hundred thirty-three".