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55110055000 = 235472113132
BaseRepresentation
bin110011010100110100…
…001011010001011000
312021020201021212021011
4303110310023101120
51400331133230000
641152303423304
73660451511200
oct632464132130
9167221255234
1055110055000
112141020a000
12a8202b4b34
135273652a00
14294b27d400
1516782da2ba
hexcd4d0b458

55110055000 has 720 divisors, whose sum is σ = 178899577560. Its totient is φ = 15855840000.

The previous prime is 55110054991. The next prime is 55110055043. The reversal of 55110055000 is 55001155.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 4239234994 + ... + 4239235006.

Almost surely, 255110055000 is an apocalyptic number.

55110055000 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 55110055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89449788780).

55110055000 is an abundant number, since it is smaller than the sum of its proper divisors (123789522560).

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

55110055000 is a wasteful number, since it uses less digits than its factorization.

55110055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

Multiplying 55110055000 by its sum of digits (22), we get a square (1212421210000 = 11011002).

55110055000 divided by its sum of digits (22) gives a square (2505002500 = 500502).

Adding to 55110055000 its reverse (55001155), we get a palindrome (55165056155).

The spelling of 55110055000 in words is "fifty-five billion, one hundred ten million, fifty-five thousand".