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55468645 = 513979811
BaseRepresentation
bin1101001110011…
…0001001100101
310212101002200021
43103212021211
5103144444040
65300515141
71242322111
oct323461145
9125332607
1055468645
1129346461
12166abab1
13b6515ab
14751c741
154d0a24a
hex34e6265

55468645 has 8 divisors (see below), whose sum is σ = 67042080. Its totient is φ = 44055120.

The previous prime is 55468639. The next prime is 55468669. The reversal of 55468645 is 54686455.

55468645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55468645 - 223 = 47080037 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 39211 + ... + 40600.

It is an arithmetic number, because the mean of its divisors is an integer number (8380260).

Almost surely, 255468645 is an apocalyptic number.

It is an amenable number.

55468645 is a deficient number, since it is larger than the sum of its proper divisors (11573435).

55468645 is a wasteful number, since it uses less digits than its factorization.

55468645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79955.

The product of its digits is 576000, while the sum is 43.

The square root of 55468645 is about 7447.7275057564. The cubic root of 55468645 is about 381.3723348342.

The spelling of 55468645 in words is "fifty-five million, four hundred sixty-eight thousand, six hundred forty-five".

Divisors: 1 5 139 695 79811 399055 11093729 55468645