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55151050230 = 2335222191969
BaseRepresentation
bin110011010111010000…
…100011110111110110
312021100120102122011000
4303113100203313312
51400422132101410
641200330224130
73661460122623
oct632720436766
9167316378130
1055151050230
112143136a361
12a831b85046
13527bca7543
1429528b134a
15167bbd6dc0
hexcd7423df6

55151050230 has 64 divisors (see below), whose sum is σ = 147137284800. Its totient is φ = 14700165120.

The previous prime is 55151050211. The next prime is 55151050291. The reversal of 55151050230 is 3205015155.

55151050230 is a `hidden beast` number, since 5 + 5 + 151 + 0 + 502 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 55151050194 and 55151050203.

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, 553686 + ... + 645654.

It is an arithmetic number, because the mean of its divisors is an integer number (2299020075).

Almost surely, 255151050230 is an apocalyptic number.

55151050230 is an abundant number, since it is smaller than the sum of its proper divisors (91986234570).

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

55151050230 is a wasteful number, since it uses less digits than its factorization.

55151050230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94206 (or 94200 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

Adding to 55151050230 its reverse (3205015155), we get a palindrome (58356065385).

The spelling of 55151050230 in words is "fifty-five billion, one hundred fifty-one million, fifty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 2221 4442 6663 11105 13326 19989 22210 33315 39978 59967 66630 91969 99945 119934 183938 199890 275907 299835 459845 551814 599670 827721 919690 1379535 1655442 2483163 2759070 4138605 4966326 8277210 12415815 24831630 204263149 408526298 612789447 1021315745 1225578894 1838368341 2042631490 3063947235 3676736682 5515105023 6127894470 9191841705 11030210046 18383683410 27575525115 55151050230