55053433 has 2 divisors, whose sum is σ = 55053434. Its totient is φ = 55053432.

The previous prime is 55053391. The next prime is 55053437. The reversal of 55053433 is 33435055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46131264 + 8922169 = 6792^2 + 2987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55053433 is a prime.

It is not a weakly prime, because it can be changed into another prime (55053437) 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, 27526716 + 27526717.

It is an arithmetic number, because the mean of its divisors is an integer number (27526717).

Almost surely, 2^55053433 is an apocalyptic number.

It is an amenable number.

55053433 is a deficient number, since it is larger than the sum of its proper divisors (1).

55053433 is an equidigital number, since it uses as much as digits as its factorization.

55053433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 55053433 is about 7419.8000646918. The cubic root of 55053433 is about 380.4183596457.

Adding to 55053433 its reverse (33435055), we get a palindrome (88488488).

The spelling of 55053433 in words is "fifty-five million, fifty-three thousand, four hundred thirty-three".