55055506000 has 160 divisors (see below), whose sum is σ = 146196999936. Its totient is φ = 19886400000.

The previous prime is 55055505997. The next prime is 55055506001. The reversal of 55055506000 is 60555055.

It is a super-2 number, since 2×55055506000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055506001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3313714 + ... + 3330286.

Almost surely, 2^55055506000 is an apocalyptic number.

55055506000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55055506000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73098499968).

55055506000 is an abundant number, since it is smaller than the sum of its proper divisors (91141493936).

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

55055506000 is a wasteful number, since it uses less digits than its factorization.

55055506000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16758 (or 16742 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55055506000 in words is "fifty-five billion, fifty-five million, five hundred six thousand".