55652689 has 2 divisors, whose sum is σ = 55652690. Its totient is φ = 55652688.

The previous prime is 55652687. The next prime is 55652693. The reversal of 55652689 is 98625655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55651600 + 1089 = 7460^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 55652689 - 2¹ = 55652687 is a prime.

Together with 55652687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55652687) 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, 27826344 + 27826345.

It is an arithmetic number, because the mean of its divisors is an integer number (27826345).

Almost surely, 2^55652689 is an apocalyptic number.

It is an amenable number.

55652689 is a deficient number, since it is larger than the sum of its proper divisors (1).

55652689 is an equidigital number, since it uses as much as digits as its factorization.

55652689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 46.

The square root of 55652689 is about 7460.0729889191. The cubic root of 55652689 is about 381.7936647815.

The spelling of 55652689 in words is "fifty-five million, six hundred fifty-two thousand, six hundred eighty-nine".