55028429 has 2 divisors, whose sum is σ = 55028430. Its totient is φ = 55028428.

The previous prime is 55028411. The next prime is 55028453. The reversal of 55028429 is 92482055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 4831204 = 7085^2 + 2198^2 .

It is a cyclic number.

It is not a de Polignac number, because 55028429 - 2⁸ = 55028173 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55028629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27514214 + 27514215.

It is an arithmetic number, because the mean of its divisors is an integer number (27514215).

Almost surely, 2^55028429 is an apocalyptic number.

It is an amenable number.

55028429 is a deficient number, since it is larger than the sum of its proper divisors (1).

55028429 is an equidigital number, since it uses as much as digits as its factorization.

55028429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 55028429 is about 7418.1149222697. The cubic root of 55028429 is about 380.3607585083.

It can be divided in two parts, 5502 and 8429, that added together give a palindrome (13931).

The spelling of 55028429 in words is "fifty-five million, twenty-eight thousand, four hundred twenty-nine".