Search a number
-
+
56588645 = 54326121
BaseRepresentation
bin1101011111011…
…1100101100101
310221111000000202
43113313211211
5103441314040
65340520245
71254665321
oct327674545
9127430022
1056588645
1129a40983
1216b50085
13b954309
147730981
154e7c015
hex35f7965

56588645 has 12 divisors (see below), whose sum is σ = 69533676. Its totient is φ = 44210880.

The previous prime is 56588641. The next prime is 56588659. The reversal of 56588645 is 54688565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12737761 + 43850884 = 3569^2 + 6622^2 .

It is not a de Polignac number, because 56588645 - 22 = 56588641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56588645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56588641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6185 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (5794473).

Almost surely, 256588645 is an apocalyptic number.

It is an amenable number.

56588645 is a deficient number, since it is larger than the sum of its proper divisors (12945031).

56588645 is an equidigital number, since it uses as much as digits as its factorization.

56588645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212 (or 6169 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 47.

The square root of 56588645 is about 7522.5424558456. The cubic root of 56588645 is about 383.9220875095.

The spelling of 56588645 in words is "fifty-six million, five hundred eighty-eight thousand, six hundred forty-five".

Divisors: 1 5 43 215 1849 6121 9245 30605 263203 1316015 11317729 56588645