55320326133 has 16 divisors (see below), whose sum is σ = 78051465216. Its totient is φ = 34779871280.

The previous prime is 55320326129. The next prime is 55320326183. The reversal of 55320326133 is 33162302355.

It is a cyclic number.

It is not a de Polignac number, because 55320326133 - 2² = 55320326129 is a prime.

It is a super-2 number, since 2×55320326133² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55320326094 and 55320326103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55320326183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5641185 + ... + 5650982.

It is an arithmetic number, because the mean of its divisors is an integer number (4878216576).

Almost surely, 2^55320326133 is an apocalyptic number.

It is an amenable number.

55320326133 is a deficient number, since it is larger than the sum of its proper divisors (22731139083).

55320326133 is a wasteful number, since it uses less digits than its factorization.

55320326133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292264.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 55320326133 its reverse (33162302355), we get a palindrome (88482628488).

The spelling of 55320326133 in words is "fifty-five billion, three hundred twenty million, three hundred twenty-six thousand, one hundred thirty-three".