55189133 has 2 divisors, whose sum is σ = 55189134. Its totient is φ = 55189132.

The previous prime is 55189109. The next prime is 55189177. The reversal of 55189133 is 33198155.

55189133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55026724 + 162409 = 7418^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 55189133 - 2¹² = 55185037 is a prime.

It is a Chen prime.

It is equal to p_3292847 and since 55189133 and 3292847 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 55189093 and 55189102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55189193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27594566 + 27594567.

It is an arithmetic number, because the mean of its divisors is an integer number (27594567).

Almost surely, 2^55189133 is an apocalyptic number.

It is an amenable number.

55189133 is a deficient number, since it is larger than the sum of its proper divisors (1).

55189133 is an equidigital number, since it uses as much as digits as its factorization.

55189133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 55189133 is about 7428.9388878897. The cubic root of 55189133 is about 380.7306648128.

The spelling of 55189133 in words is "fifty-five million, one hundred eighty-nine thousand, one hundred thirty-three".