36129553 has 2 divisors, whose sum is σ = 36129554. Its totient is φ = 36129552.

The previous prime is 36129551. The next prime is 36129571. The reversal of 36129553 is 35592163.

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., 36096064 + 33489 = 6008^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 36129553 - 2¹ = 36129551 is a prime.

Together with 36129551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36129551) 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, 18064776 + 18064777.

It is an arithmetic number, because the mean of its divisors is an integer number (18064777).

Almost surely, 2^36129553 is an apocalyptic number.

It is an amenable number.

36129553 is a deficient number, since it is larger than the sum of its proper divisors (1).

36129553 is an equidigital number, since it uses as much as digits as its factorization.

36129553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 36129553 is about 6010.7863878198. The cubic root of 36129553 is about 330.5883382793.

The spelling of 36129553 in words is "thirty-six million, one hundred twenty-nine thousand, five hundred fifty-three".