Search a number
-
+
55825582758 = 231137191119689
BaseRepresentation
bin110011111111011101…
…101100101010100110
312100002120200102211020
4303333131230222212
51403312322122013
641351303552010
74014260424021
oct637735545246
9170076612736
1055825582758
11217480a4660
12a99ba5b606
13535896aa0a
1429b82da1b8
1516bb028623
hexcff76caa6

55825582758 has 64 divisors (see below), whose sum is σ = 125749186560. Its totient is φ = 16373318400.

The previous prime is 55825582741. The next prime is 55825582759. The reversal of 55825582758 is 85728552855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55825582759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406578 + ... + 526266.

It is an arithmetic number, because the mean of its divisors is an integer number (1964831040).

Almost surely, 255825582758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55825582758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62874593280).

55825582758 is an abundant number, since it is smaller than the sum of its proper divisors (69923603802).

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

55825582758 is a wasteful number, since it uses less digits than its factorization.

55825582758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119933.

The product of its digits is 44800000, while the sum is 60.

The spelling of 55825582758 in words is "fifty-five billion, eight hundred twenty-five million, five hundred eighty-two thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 191 222 382 407 573 814 1146 1221 2101 2442 4202 6303 7067 12606 14134 21201 42402 77737 119689 155474 233211 239378 359067 466422 718134 1316579 2633158 3949737 4428493 7899474 8856986 13285479 22860599 26570958 45721198 48713423 68581797 97426846 137163594 146140269 251466589 292280538 502933178 754399767 845842163 1508799534 1691684326 2537526489 5075052978 9304263793 18608527586 27912791379 55825582758