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55852218905 = 573175033999
BaseRepresentation
bin110100000001000011…
…010011101000011001
312100011102210200202012
4310001003103220121
51403341132001110
641354054515305
74015033012310
oct640103235031
9170142720665
1055852218905
11217611377aa
12a9a8965b35
135361335852
1429bba71277
1516bd53a905
hexd010d3a19

55852218905 has 16 divisors (see below), whose sum is σ = 76838976000. Its totient is φ = 38177840832.

The previous prime is 55852218857. The next prime is 55852218953. The reversal of 55852218905 is 50981225855.

It is an interprime number because it is at equal distance from previous prime (55852218857) and next prime (55852218953).

It is a cyclic number.

It is not a de Polignac number, because 55852218905 - 220 = 55851170329 is a prime.

It is a super-2 number, since 2×558522189052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505905 + ... + 2528094.

It is an arithmetic number, because the mean of its divisors is an integer number (4802436000).

Almost surely, 255852218905 is an apocalyptic number.

It is an amenable number.

55852218905 is a deficient number, since it is larger than the sum of its proper divisors (20986757095).

55852218905 is a wasteful number, since it uses less digits than its factorization.

55852218905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034328.

The product of its (nonzero) digits is 1440000, while the sum is 50.

The spelling of 55852218905 in words is "fifty-five billion, eight hundred fifty-two million, two hundred eighteen thousand, nine hundred five".

Divisors: 1 5 7 35 317 1585 2219 11095 5033999 25169995 35237993 176189965 1595777683 7978888415 11170443781 55852218905