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55830360 = 23351947521
BaseRepresentation
bin1101010011111…
…0011101011000
310220001110212010
43110332131120
5103243032420
65312345520
71245356505
oct324763530
9126043763
1055830360
11295731a3
12168452a0
13b74a121
1475b44ac
154d7c4e0
hex353e758

55830360 has 128 divisors (see below), whose sum is σ = 180403200. Its totient is φ = 13777920.

The previous prime is 55830347. The next prime is 55830371. The reversal of 55830360 is 6303855.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106900 + ... + 107420.

It is an arithmetic number, because the mean of its divisors is an integer number (1409400).

Almost surely, 255830360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55830360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90201600).

55830360 is an abundant number, since it is smaller than the sum of its proper divisors (124572840).

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

55830360 is a wasteful number, since it uses less digits than its factorization.

55830360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55830360 is about 7471.9716273551. The cubic root of 55830360 is about 382.1995247975.

The spelling of 55830360 in words is "fifty-five million, eight hundred thirty thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 47 57 60 76 94 95 114 120 141 152 188 190 228 235 282 285 376 380 456 470 521 564 570 705 760 893 940 1042 1128 1140 1410 1563 1786 1880 2084 2280 2605 2679 2820 3126 3572 4168 4465 5210 5358 5640 6252 7144 7815 8930 9899 10420 10716 12504 13395 15630 17860 19798 20840 21432 24487 26790 29697 31260 35720 39596 48974 49495 53580 59394 62520 73461 79192 97948 98990 107160 118788 122435 146922 148485 195896 197980 237576 244870 293844 296970 367305 395960 465253 489740 587688 593940 734610 930506 979480 1187880 1395759 1469220 1861012 2326265 2791518 2938440 3722024 4652530 5583036 6978795 9305060 11166072 13957590 18610120 27915180 55830360