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55124401005 = 325612329209
BaseRepresentation
bin110011010101101010…
…111001101101101101
312021021201021201021200
4303111222321231231
51400343321313010
641153535120113
73661014451242
oct632552715555
9167251251250
1055124401005
1121418318403
12a825073039
13527660677b
14294d1355c9
1516796c0cc0
hexcd5ab9b6d

55124401005 has 36 divisors (see below), whose sum is σ = 97141311540. Its totient is φ = 28917630720.

The previous prime is 55124400953. The next prime is 55124401019. The reversal of 55124401005 is 50010442155.

55124401005 is a `hidden beast` number, since 5 + 512 + 4 + 40 + 100 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6871249449 + 48253151556 = 82893^2 + 219666^2 .

It is not a de Polignac number, because 55124401005 - 212 = 55124396909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55124401005.

It is a congruent number.

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, 2841 + ... + 332049.

It is an arithmetic number, because the mean of its divisors is an integer number (2698369765).

Almost surely, 255124401005 is an apocalyptic number.

It is an amenable number.

55124401005 is a deficient number, since it is larger than the sum of its proper divisors (42016910535).

55124401005 is a wasteful number, since it uses less digits than its factorization.

55124401005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329342 (or 329278 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 55124401005 in words is "fifty-five billion, one hundred twenty-four million, four hundred one thousand, five".

Divisors: 1 3 5 9 15 45 61 183 305 549 915 2745 3721 11163 18605 33489 55815 167445 329209 987627 1646045 2962881 4938135 14814405 20081749 60245247 100408745 180735741 301226235 903678705 1224986689 3674960067 6124933445 11024880201 18374800335 55124401005