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55052636940 = 22325743692569
BaseRepresentation
bin110011010001011001…
…001001001100001100
312021002201020201111100
4303101121021030030
51400221433340230
641142453023100
73656153456460
oct632131111414
9167081221440
1055052636940
1121390861a64
12a805024a90
13526479b022
1429437b44a0
151673247660
hexcd164930c

55052636940 has 72 divisors (see below), whose sum is σ = 190849145760. Its totient is φ = 12583459584.

The previous prime is 55052636911. The next prime is 55052636981. The reversal of 55052636940 is 4963625055.

55052636940 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 2 + 636 + 9 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21845025 + ... + 21847544.

It is an arithmetic number, because the mean of its divisors is an integer number (2650682580).

Almost surely, 255052636940 is an apocalyptic number.

It is an amenable number.

55052636940 is an abundant number, since it is smaller than the sum of its proper divisors (135796508820).

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

55052636940 is a wasteful number, since it uses less digits than its factorization.

55052636940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43692591 (or 43692586 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 55052636940 in words is "fifty-five billion, fifty-two million, six hundred thirty-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 43692569 87385138 131077707 174770276 218462845 262155414 305847983 393233121 436925690 524310828 611695966 655388535 786466242 873851380 917543949 1223391932 1310777070 1529239915 1572932484 1835087898 1966165605 2621554140 2752631847 3058479830 3670175796 3932331210 4587719745 5505263694 6116959660 7864662420 9175439490 11010527388 13763159235 18350878980 27526318470 55052636940