55576529 has 2 divisors, whose sum is σ = 55576530. Its totient is φ = 55576528.

The previous prime is 55576483. The next prime is 55576531. The reversal of 55576529 is 92567555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 5166529 = 7100^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 55576529 - 2²⁰ = 54527953 is a prime.

Together with 55576531, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55576529.

It is not a weakly prime, because it can be changed into another prime (55576559) 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, 27788264 + 27788265.

It is an arithmetic number, because the mean of its divisors is an integer number (27788265).

Almost surely, 2^55576529 is an apocalyptic number.

It is an amenable number.

55576529 is a deficient number, since it is larger than the sum of its proper divisors (1).

55576529 is an equidigital number, since it uses as much as digits as its factorization.

55576529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472500, while the sum is 44.

The square root of 55576529 is about 7454.9667336615. The cubic root of 55576529 is about 381.6194253443.

The spelling of 55576529 in words is "fifty-five million, five hundred seventy-six thousand, five hundred twenty-nine".