55053133 has 2 divisors, whose sum is σ = 55053134. Its totient is φ = 55053132.

The previous prime is 55053101. The next prime is 55053139. The reversal of 55053133 is 33135055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 17867529 = 6098^2 + 4227^2 .

It is a cyclic number.

It is not a de Polignac number, because 55053133 - 2⁵ = 55053101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55053098 and 55053107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55053139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27526566 + 27526567.

It is an arithmetic number, because the mean of its divisors is an integer number (27526567).

Almost surely, 2^55053133 is an apocalyptic number.

It is an amenable number.

55053133 is a deficient number, since it is larger than the sum of its proper divisors (1).

55053133 is an equidigital number, since it uses as much as digits as its factorization.

55053133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 55053133 is about 7419.7798484861. The cubic root of 55053133 is about 380.4176686460.

Adding to 55053133 its reverse (33135055), we get a palindrome (88188188).

It can be divided in two parts, 550531 and 33, that added together give a square (550564 = 742²).

The spelling of 55053133 in words is "fifty-five million, fifty-three thousand, one hundred thirty-three".