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55808423684 = 22131763131701
BaseRepresentation
bin110011111110011100…
…001111011100000100
312100001101101122222222
4303332130033130010
51403243424024214
641345452111512
74013661526406
oct637634173404
9170041348888
1055808423684
1121739444802
12a996165598
135355240710
1429b5d10b76
1516b978938e
hexcfe70f704

55808423684 has 24 divisors (see below), whose sum is σ = 111364322328. Its totient is φ = 24242572800.

The previous prime is 55808423677. The next prime is 55808423767. The reversal of 55808423684 is 48632480855.

It can be written as a sum of positive squares in 4 ways, for example, as 1389798400 + 54418625284 = 37280^2 + 233278^2 .

It is a super-2 number, since 2×558084236842 (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 7 ways as a sum of consecutive naturals, for example, 31564967 + ... + 31566734.

It is an arithmetic number, because the mean of its divisors is an integer number (4640180097).

Almost surely, 255808423684 is an apocalyptic number.

It is an amenable number.

55808423684 is a deficient number, since it is larger than the sum of its proper divisors (55555898644).

55808423684 is a wasteful number, since it uses less digits than its factorization.

55808423684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63131735 (or 63131733 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 53.

The spelling of 55808423684 in words is "fifty-five billion, eight hundred eight million, four hundred twenty-three thousand, six hundred eighty-four".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 63131701 126263402 252526804 820712113 1073238917 1641424226 2146477834 3282848452 4292955668 13952105921 27904211842 55808423684