55564308 has 36 divisors (see below), whose sum is σ = 140908768. Its totient is φ = 18461520.

The previous prime is 55564291. The next prime is 55564309. The reversal of 55564308 is 80346555.

55564308 is a `hidden beast` number, since 5 + 5 + 5 + 643 + 0 + 8 = 666.

55564308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (55564309) 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, 9585 + ... + 14247.

Almost surely, 2^55564308 is an apocalyptic number.

It is an amenable number.

55564308 is an abundant number, since it is smaller than the sum of its proper divisors (85344460).

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

55564308 is a wasteful number, since it uses less digits than its factorization.

55564308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004 (or 4999 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 55564308 is about 7454.1470336988. The cubic root of 55564308 is about 381.5914512279.

The spelling of 55564308 in words is "fifty-five million, five hundred sixty-four thousand, three hundred eight".