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55054080 = 2836559
BaseRepresentation
bin1101001000000…
…0111100000000
310211121001000000
43102000330000
5103043212310
65244000000
71235644344
oct322007400
9124531000
1055054080
1129092a44
1216530000
13b5379a3
147451624
154c774c0
hex3480f00

55054080 has 252 divisors, whose sum is σ = 201068280. Its totient is φ = 14432256.

The previous prime is 55054063. The next prime is 55054099. The reversal of 55054080 is 8045055.

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 polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 933091 + ... + 933149.

It is an arithmetic number, because the mean of its divisors is an integer number (797890).

Almost surely, 255054080 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 55054080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100534140).

55054080 is an abundant number, since it is smaller than the sum of its proper divisors (146014200).

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

55054080 is an frugal number, since it uses more digits than its factorization.

55054080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55054080 is about 7419.8436641212. The cubic root of 55054080 is about 380.4198498931.

The spelling of 55054080 in words is "fifty-five million, fifty-four thousand, eighty".