Search a number
-
+
55958056 = 2371190841
BaseRepresentation
bin1101010101110…
…1101000101000
310220021222000121
43111131220220
5103311124211
65315213024
71246431010
oct325355050
9126258017
1055958056
1129650130
12168a7174
13b79329b
147608c40
154da5271
hex355da28

55958056 has 32 divisors (see below), whose sum is σ = 130812480. Its totient is φ = 21801600.

The previous prime is 55958053. The next prime is 55958083. The reversal of 55958056 is 65085955.

55958056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55958051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44805 + ... + 46036.

It is an arithmetic number, because the mean of its divisors is an integer number (4087890).

Almost surely, 255958056 is an apocalyptic number.

55958056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55958056 is an abundant number, since it is smaller than the sum of its proper divisors (74854424).

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

55958056 is a wasteful number, since it uses less digits than its factorization.

55958056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90865 (or 90861 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 43.

The square root of 55958056 is about 7480.5117472002. The cubic root of 55958056 is about 382.4906936662.

The spelling of 55958056 in words is "fifty-five million, nine hundred fifty-eight thousand, fifty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 90841 181682 363364 635887 726728 999251 1271774 1998502 2543548 3997004 5087096 6994757 7994008 13989514 27979028 55958056