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55047944279952 = 2432136726550669
BaseRepresentation
bin11001000010000110110010…
…01010100001011110010000
321012220112100212220011102100
430201003121022201132100
524203401142213424302
6313024402042120400
714411040243014151
oct1441033112413620
9235815325804370
1055047944279952
11165a377a4a3808
1262107b11b0100
132493cca6a0a60
14d8449867d928
15656dcb508d1c
hex3210d92a1790

55047944279952 has 180 divisors, whose sum is σ = 168421616797980. Its totient is φ = 16685023044096.

The previous prime is 55047944279941. The next prime is 55047944280029. The reversal of 55047944279952 is 25997244974055.

55047944279952 is a `hidden beast` number, since 5 + 5 + 0 + 47 + 9 + 442 + 7 + 99 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30031101444096 + 25016842835856 = 5480064^2 + 5001684^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5128074 + ... + 11678742.

Almost surely, 255047944279952 is an apocalyptic number.

55047944279952 is a gapful number since it is divisible by the number (52) 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 55047944279952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84210808398990).

55047944279952 is an abundant number, since it is smaller than the sum of its proper divisors (113373672518028).

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

55047944279952 is a wasteful number, since it uses less digits than its factorization.

55047944279952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550830 (or 6550754 counting only the distinct ones).

The product of its (nonzero) digits is 1143072000, while the sum is 72.

The spelling of 55047944279952 in words is "fifty-five trillion, forty-seven billion, nine hundred forty-four million, two hundred seventy-nine thousand, nine hundred fifty-two".