55573260606 has 96 divisors (see below), whose sum is σ = 130647748608. Its totient is φ = 17021727360.

The previous prime is 55573260601. The next prime is 55573260623. The reversal of 55573260606 is 60606237555.

55573260606 is a `hidden beast` number, since 5 + 5 + 5 + 7 + 32 + 6 + 0 + 606 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55573260601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1742455 + ... + 1774061.

It is an arithmetic number, because the mean of its divisors is an integer number (1360914048).

Almost surely, 2^55573260606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55573260606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65323874304).

55573260606 is an abundant number, since it is smaller than the sum of its proper divisors (75074488002).

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

55573260606 is a wasteful number, since it uses less digits than its factorization.

55573260606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31806 (or 31803 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 55573260606 in words is "fifty-five billion, five hundred seventy-three million, two hundred sixty thousand, six hundred six".