55560006 has 56 divisors (see below), whose sum is σ = 127487520. Its totient is φ = 18145296.

The previous prime is 55559993. The next prime is 55560007. The reversal of 55560006 is 60006555.

55560006 is a `hidden beast` number, since 5 + 55 + 600 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 76915 + ... + 77633.

Almost surely, 2^55560006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55560006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63743760).

55560006 is an abundant number, since it is smaller than the sum of its proper divisors (71927514).

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

55560006 is an equidigital number, since it uses as much as digits as its factorization.

55560006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55560006 is about 7453.8584639098. The cubic root of 55560006 is about 381.5816028867.

The spelling of 55560006 in words is "fifty-five million, five hundred sixty thousand, six".