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55460419056 = 243271931109857
BaseRepresentation
bin110011101001101100…
…101101010111110000
312022011010120012101200
4303221230231113300
51402040331402211
641251141131200
74002234532560
oct635154552760
9168133505350
1055460419056
112157aa62779
12a8b96b9b00
1352cb105813
142981a02da0
151698e46b56
hexce9b2d5f0

55460419056 has 480 divisors, whose sum is σ = 194739916800. Its totient is φ = 14377512960.

The previous prime is 55460419043. The next prime is 55460419067. The reversal of 55460419056 is 65091406455.

55460419056 is a `hidden beast` number, since 55 + 460 + 4 + 1 + 90 + 56 = 666.

It is a super-2 number, since 2×554604190562 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64714180 + ... + 64715036.

It is an arithmetic number, because the mean of its divisors is an integer number (405708160).

Almost surely, 255460419056 is an apocalyptic number.

55460419056 is a gapful number since it is divisible by the number (56) 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 55460419056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97369958400).

55460419056 is an abundant number, since it is smaller than the sum of its proper divisors (139279497744).

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

55460419056 is a wasteful number, since it uses less digits than its factorization.

55460419056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 55460419056 in words is "fifty-five billion, four hundred sixty million, four hundred nineteen thousand, fifty-six".