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55030922688 = 2637195373557
BaseRepresentation
bin110011010000000110…
…010011110111000000
312021001012101112010210
4303100012103313000
51400200404011223
641140355354120
73655501060560
oct632006236700
9167035345123
1055030922688
112137a5807a5
12a7b98b2940
135260137561
142940960da0
1516713a8893
hexcd0193dc0

55030922688 has 448 divisors, whose sum is σ = 181235543040. Its totient is φ = 14388461568.

The previous prime is 55030922663. The next prime is 55030922693. The reversal of 55030922688 is 88622903055.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98798506 + ... + 98799062.

Almost surely, 255030922688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55030922688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90617771520).

55030922688 is an abundant number, since it is smaller than the sum of its proper divisors (126204620352).

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

55030922688 is a wasteful number, since it uses less digits than its factorization.

55030922688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 55030922688 in words is "fifty-five billion, thirty million, nine hundred twenty-two thousand, six hundred eighty-eight".