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55874488560 = 24351121164579
BaseRepresentation
bin110100000010011000…
…010000100011110000
312100012222201002222020
4310002120100203300
51403412332113220
641400212111440
74015423213362
oct640230204360
9170188632866
1055874488560
1121772768280
12a9b4305580
135365b32067
1429c09cad32
1516c0489040
hexd026108f0

55874488560 has 80 divisors (see below), whose sum is σ = 188957370240. Its totient is φ = 13545329920.

The previous prime is 55874488513. The next prime is 55874488619. The reversal of 55874488560 is 6588447855.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 55874488494 and 55874488503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10579650 + ... + 10584929.

It is an arithmetic number, because the mean of its divisors is an integer number (2361967128).

Almost surely, 255874488560 is an apocalyptic number.

It is an amenable number.

55874488560 is an abundant number, since it is smaller than the sum of its proper divisors (133082881680).

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

55874488560 is a wasteful number, since it uses less digits than its factorization.

55874488560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21164606 (or 21164600 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 60.

The spelling of 55874488560 in words is "fifty-five billion, eight hundred seventy-four million, four hundred eighty-eight thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 21164579 42329158 63493737 84658316 105822895 126987474 169316632 211645790 232810369 253974948 317468685 338633264 423291580 465620738 507949896 634937370 698431107 846583160 931241476 1015899792 1164051845 1269874740 1396862214 1693166320 1862482952 2328103690 2539749480 2793724428 3492155535 3724965904 4656207380 5079498960 5587448856 6984311070 9312414760 11174897712 13968622140 18624829520 27937244280 55874488560