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55005000000060 = 223511271401266111
BaseRepresentation
bin11001000000110110110010…
…11111000110001000111100
321012202102112000122201012110
430200123121133012020330
524202200220000000220
6312552540445134020
714404660114451025
oct1440333137061074
9235672460581173
1055005000000060
1116587542582700
12620440725a310
13248cc45645b56
14d82383051c4c
15655c162d7be0
hex3206d97c623c

55005000000060 has 288 divisors, whose sum is σ = 172101212946432. Its totient is φ = 13113900800000.

The previous prime is 55005000000053. The next prime is 55005000000091. The reversal of 55005000000060 is 6000000050055.

It is a junction number, because it is equal to n+sod(n) for n = 55004999999973 and 55005000000036.

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, 206566405 + ... + 206832515.

It is an arithmetic number, because the mean of its divisors is an integer number (597573656064).

Almost surely, 255005000000060 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 55005000000060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86050606473216).

55005000000060 is an abundant number, since it is smaller than the sum of its proper divisors (117096212946372).

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

55005000000060 is a wasteful number, since it uses less digits than its factorization.

55005000000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266617 (or 266604 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 55005000000060 in words is "fifty-five trillion, five billion, sixty", and thus it is an aban number and an uban number.