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55088238540 = 22351754008077
BaseRepresentation
bin110011010011100000…
…111100111111001100
312021012012020110201010
4303103200330333030
51400310042113130
641150204045220
73660065205306
oct632340747714
9167165213633
1055088238540
11213a9968a75
12a814b33810
13526bc8486a
142948400976
15167642b0b0
hexcd383cfcc

55088238540 has 48 divisors (see below), whose sum is σ = 163320427872. Its totient is φ = 13826067456.

The previous prime is 55088238539. The next prime is 55088238553. The reversal of 55088238540 is 4583288055.

It is a self number, because there is not a number n which added to its sum of digits gives 55088238540.

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, 27003019 + ... + 27005058.

It is an arithmetic number, because the mean of its divisors is an integer number (3402508914).

Almost surely, 255088238540 is an apocalyptic number.

It is an amenable number.

55088238540 is an abundant number, since it is smaller than the sum of its proper divisors (108232189332).

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

55088238540 is a wasteful number, since it uses less digits than its factorization.

55088238540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54008106 (or 54008104 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 55088238540 in words is "fifty-five billion, eighty-eight million, two hundred thirty-eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 54008077 108016154 162024231 216032308 270040385 324048462 540080770 648096924 810121155 918137309 1080161540 1620242310 1836274618 2754411927 3240484620 3672549236 4590686545 5508823854 9181373090 11017647708 13772059635 18362746180 27544119270 55088238540