55054133 has 2 divisors, whose sum is σ = 55054134. Its totient is φ = 55054132.

The previous prime is 55054123. The next prime is 55054141. The reversal of 55054133 is 33145055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38464804 + 16589329 = 6202^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 55054133 - 2⁴ = 55054117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55054123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527066 + 27527067.

It is an arithmetic number, because the mean of its divisors is an integer number (27527067).

Almost surely, 2^55054133 is an apocalyptic number.

It is an amenable number.

55054133 is a deficient number, since it is larger than the sum of its proper divisors (1).

55054133 is an equidigital number, since it uses as much as digits as its factorization.

55054133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55054133 is about 7419.8472356242. The cubic root of 55054133 is about 380.4199719685.

Adding to 55054133 its reverse (33145055), we get a palindrome (88199188).

The spelling of 55054133 in words is "fifty-five million, fifty-four thousand, one hundred thirty-three".