55609299 has 12 divisors (see below), whose sum is σ = 80397096. Its totient is φ = 37039392.

The previous prime is 55609273. The next prime is 55609303. The reversal of 55609299 is 99290655.

55609299 is a `hidden beast` number, since 556 + 0 + 9 + 2 + 99 = 666.

55609299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55609299 - 2⁷ = 55609171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55609999) 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 11 ways as a sum of consecutive naturals, for example, 11679 + ... + 15735.

It is an arithmetic number, because the mean of its divisors is an integer number (6699758).

Almost surely, 2^55609299 is an apocalyptic number.

55609299 is a deficient number, since it is larger than the sum of its proper divisors (24787797).

55609299 is a wasteful number, since it uses less digits than its factorization.

55609299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 55609299 is about 7457.1642733683. The cubic root of 55609299 is about 381.6944163022.

The spelling of 55609299 in words is "fifty-five million, six hundred nine thousand, two hundred ninety-nine".