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55679853944 = 23111348671201
BaseRepresentation
bin110011110110110001…
…110010010101111000
312022201102110122110202
4303312301302111320
51403013020311234
641325020301332
74010540643461
oct636661622570
9168642418422
1055679853944
112168290a420
12a95b0a1848
135334705c50
1429a2c03d68
1516ad33e77e
hexcf6c72578

55679853944 has 32 divisors (see below), whose sum is σ = 122651429040. Its totient is φ = 23362176000.

The previous prime is 55679853937. The next prime is 55679853973. The reversal of 55679853944 is 44935897655.

It is a super-2 number, since 2×556798539442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 24334457 + ... + 24336744.

Almost surely, 255679853944 is an apocalyptic number.

It is an amenable number.

55679853944 is an abundant number, since it is smaller than the sum of its proper divisors (66971575096).

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

55679853944 is a wasteful number, since it uses less digits than its factorization.

55679853944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48671231 (or 48671227 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 65.

The spelling of 55679853944 in words is "fifty-five billion, six hundred seventy-nine million, eight hundred fifty-three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 48671201 97342402 194684804 389369608 535383211 632725613 1070766422 1265451226 2141532844 2530902452 4283065688 5061804904 6959981743 13919963486 27839926972 55679853944