55235313213 has 8 divisors (see below), whose sum is σ = 75036652128. Its totient is φ = 36128758224.

The previous prime is 55235313197. The next prime is 55235313223. The reversal of 55235313213 is 31231353255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55235313213 - 2⁴ = 55235313197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55235313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173695795 + ... + 173696112.

It is an arithmetic number, because the mean of its divisors is an integer number (9379581516).

Almost surely, 2^55235313213 is an apocalyptic number.

55235313213 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55235313213 is a deficient number, since it is larger than the sum of its proper divisors (19801338915).

55235313213 is a wasteful number, since it uses less digits than its factorization.

55235313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347391963.

The product of its digits is 40500, while the sum is 33.

Adding to 55235313213 its reverse (31231353255), we get a palindrome (86466666468).

The spelling of 55235313213 in words is "fifty-five billion, two hundred thirty-five million, three hundred thirteen thousand, two hundred thirteen".