55533000006 has 128 divisors (see below), whose sum is σ = 142219929600. Its totient is φ = 15885240480.

The previous prime is 55532999953. The next prime is 55533000053. The reversal of 55533000006 is 60000033555.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3185245 + ... + 3202631.

It is an arithmetic number, because the mean of its divisors is an integer number (1111093200).

Almost surely, 2^55533000006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55533000006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71109964800).

55533000006 is an abundant number, since it is smaller than the sum of its proper divisors (86686929594).

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

55533000006 is a wasteful number, since it uses less digits than its factorization.

55533000006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711 (or 17705 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The spelling of 55533000006 in words is "fifty-five billion, five hundred thirty-three million, six", and thus it is an aban number.