Search a number
-
+
55305580600 = 2352416744583
BaseRepresentation
bin110011100000011110…
…000011000000111000
312021202100012120222001
4303200132003000320
51401231212034400
641223530310344
73665344451524
oct634036030070
9167670176861
1055305580600
1121500616306
12a8758883b4
1352a500152a
142969218d84
15168a55da6a
hexce0783038

55305580600 has 48 divisors (see below), whose sum is σ = 131721725520. Its totient is φ = 21582662400.

The previous prime is 55305580591. The next prime is 55305580619. The reversal of 55305580600 is 608550355.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 55305580600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3364092 + ... + 3380491.

It is an arithmetic number, because the mean of its divisors is an integer number (2744202615).

Almost surely, 255305580600 is an apocalyptic number.

55305580600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55305580600 is an abundant number, since it is smaller than the sum of its proper divisors (76416144920).

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

55305580600 is a wasteful number, since it uses less digits than its factorization.

55305580600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744640 (or 6744631 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 55305580600 in words is "fifty-five billion, three hundred five million, five hundred eighty thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 1025 1640 2050 4100 8200 6744583 13489166 26978332 33722915 53956664 67445830 134891660 168614575 269783320 276527903 337229150 553055806 674458300 1106111612 1348916600 1382639515 2212223224 2765279030 5530558060 6913197575 11061116120 13826395150 27652790300 55305580600