Search a number
-
+
55958860 = 22579107331
BaseRepresentation
bin1101010101110…
…1110101001100
310220022000010101
43111131311030
5103311140420
65315220444
71246433236
oct325356514
9126260111
1055958860
11296507a1
12168a7724
13b793769
147609256
154da560a
hex355dd4c

55958860 has 48 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 21827520.

The previous prime is 55958827. The next prime is 55958879. The reversal of 55958860 is 6885955.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55958860.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168895 + ... + 169225.

It is an arithmetic number, because the mean of its divisors is an integer number (2509920).

Almost surely, 255958860 is an apocalyptic number.

It is an amenable number.

55958860 is an abundant number, since it is smaller than the sum of its proper divisors (64517300).

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

55958860 is a wasteful number, since it uses less digits than its factorization.

55958860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 46.

The square root of 55958860 is about 7480.5654866460. The cubic root of 55958860 is about 382.4925255207.

The spelling of 55958860 in words is "fifty-five million, nine hundred fifty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 79 107 158 214 316 331 395 428 535 662 790 1070 1324 1580 1655 2140 3310 6620 8453 16906 26149 33812 35417 42265 52298 70834 84530 104596 130745 141668 169060 177085 261490 354170 522980 708340 2797943 5595886 11191772 13989715 27979430 55958860