55669529 has 4 divisors (see below), whose sum is σ = 56043300. Its totient is φ = 55295760.

The previous prime is 55669517. The next prime is 55669613. The reversal of 55669529 is 92596655.

It is a happy number.

55669529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33953929 + 21715600 = 5827^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 55669529 - 2¹² = 55665433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55869529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186662 + ... + 186959.

It is an arithmetic number, because the mean of its divisors is an integer number (14010825).

Almost surely, 2^55669529 is an apocalyptic number.

It is an amenable number.

55669529 is a deficient number, since it is larger than the sum of its proper divisors (373771).

55669529 is a wasteful number, since it uses less digits than its factorization.

55669529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373770.

The product of its digits is 729000, while the sum is 47.

The square root of 55669529 is about 7461.2015788343. The cubic root of 55669529 is about 381.8321700005.

The spelling of 55669529 in words is "fifty-five million, six hundred sixty-nine thousand, five hundred twenty-nine".