53228129 has 2 divisors, whose sum is σ = 53228130. Its totient is φ = 53228128.

The previous prime is 53228107. The next prime is 53228167. The reversal of 53228129 is 92182235.

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., 44089600 + 9138529 = 6640^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 53228129 - 2²⁰ = 52179553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53228095 and 53228104.

It is not a weakly prime, because it can be changed into another prime (53228179) 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, 26614064 + 26614065.

It is an arithmetic number, because the mean of its divisors is an integer number (26614065).

Almost surely, 2^53228129 is an apocalyptic number.

It is an amenable number.

53228129 is a deficient number, since it is larger than the sum of its proper divisors (1).

53228129 is an equidigital number, since it uses as much as digits as its factorization.

53228129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 53228129 is about 7295.7610295294. The cubic root of 53228129 is about 376.1667459640.

The spelling of 53228129 in words is "fifty-three million, two hundred twenty-eight thousand, one hundred twenty-nine".