55609308 has 96 divisors (see below), whose sum is σ = 153323520. Its totient is φ = 17392320.

The previous prime is 55609303. The next prime is 55609343. The reversal of 55609308 is 80390655.

55609308 is a `hidden beast` number, since 5 + 560 + 93 + 0 + 8 = 666.

55609308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55609303) 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 31 ways as a sum of consecutive naturals, for example, 151341 + ... + 151707.

It is an arithmetic number, because the mean of its divisors is an integer number (1597120).

Almost surely, 2^55609308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55609308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76661760).

55609308 is an abundant number, since it is smaller than the sum of its proper divisors (97714212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55609308 is a wasteful number, since it uses less digits than its factorization.

55609308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 55609308 is about 7457.1648768148. The cubic root of 55609308 is about 381.6944368938.

The spelling of 55609308 in words is "fifty-five million, six hundred nine thousand, three hundred eight".