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55796406560 = 2552315162067
BaseRepresentation
bin110011111101101110…
…011001100100100000
312100000112210010121022
4303331232121210200
51403232340002220
641344342345012
74013454426146
oct637556314440
9170015703538
1055796406560
11217326870a4
12a99212b168
1353528c39ab
1429b44a3596
1516b86b3925
hexcfdb99920

55796406560 has 48 divisors (see below), whose sum is σ = 137550280896. Its totient is φ = 21348188928.

The previous prime is 55796406557. The next prime is 55796406581. The reversal of 55796406560 is 6560469755.

It is a happy number.

It is a super-2 number, since 2×557964065602 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7577354 + ... + 7584713.

It is an arithmetic number, because the mean of its divisors is an integer number (2865630852).

Almost surely, 255796406560 is an apocalyptic number.

It is an amenable number.

55796406560 is an abundant number, since it is smaller than the sum of its proper divisors (81753874336).

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

55796406560 is a wasteful number, since it uses less digits than its factorization.

55796406560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15162105 (or 15162097 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 55796406560 in words is "fifty-five billion, seven hundred ninety-six million, four hundred six thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1840 3680 15162067 30324134 60648268 75810335 121296536 151620670 242593072 303241340 348727541 485186144 606482680 697455082 1212965360 1394910164 1743637705 2425930720 2789820328 3487275410 5579640656 6974550820 11159281312 13949101640 27898203280 55796406560