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55015463445 = 357974601879
BaseRepresentation
bin110011001111001011…
…010101101000010101
312021000010022010001020
4303033023111220111
51400132424312240
641135044151353
73655222503105
oct631713255025
9167003263036
1055015463445
1121371881a68
12a7b4698559
135259b83b87
14293c899205
15166ed530d0
hexccf2d5a15

55015463445 has 16 divisors (see below), whose sum is σ = 88135205760. Its totient is φ = 29304759104.

The previous prime is 55015463443. The next prime is 55015463449. The reversal of 55015463445 is 54436451055.

It is not a de Polignac number, because 55015463445 - 21 = 55015463443 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55015463397 and 55015463406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015463443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288985 + ... + 2312894.

It is an arithmetic number, because the mean of its divisors is an integer number (5508450360).

Almost surely, 255015463445 is an apocalyptic number.

It is an amenable number.

55015463445 is a deficient number, since it is larger than the sum of its proper divisors (33119742315).

55015463445 is a wasteful number, since it uses less digits than its factorization.

55015463445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602684.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 55015463445 in words is "fifty-five billion, fifteen million, four hundred sixty-three thousand, four hundred forty-five".

Divisors: 1 3 5 15 797 2391 3985 11955 4601879 13805637 23009395 69028185 3667697563 11003092689 18338487815 55015463445