Search a number
-
+
55799585 = 518161657
BaseRepresentation
bin1101010011011…
…0111100100001
310212222220122022
43110312330201
5103241041320
65311551225
71245201002
oct324667441
9125886568
1055799585
1129552066
121682b515
13b73910a
1475a71a9
154d73325
hex3536f21

55799585 has 8 divisors (see below), whose sum is σ = 67330536. Its totient is φ = 44392320.

The previous prime is 55799563. The next prime is 55799591. The reversal of 55799585 is 58599755.

It can be written as a sum of positive squares in 4 ways, for example, as 28561 + 55771024 = 169^2 + 7468^2 .

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

It is not a de Polignac number, because 55799585 - 212 = 55795489 is a prime.

It is a super-2 number, since 2×557995852 = 6227187372344450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29924 + ... + 31733.

It is an arithmetic number, because the mean of its divisors is an integer number (8416317).

Almost surely, 255799585 is an apocalyptic number.

It is an amenable number.

55799585 is a deficient number, since it is larger than the sum of its proper divisors (11530951).

55799585 is a wasteful number, since it uses less digits than its factorization.

55799585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61843.

The product of its digits is 2835000, while the sum is 53.

The square root of 55799585 is about 7469.9119807398. The cubic root of 55799585 is about 382.1292861183.

The spelling of 55799585 in words is "fifty-five million, seven hundred ninety-nine thousand, five hundred eighty-five".

Divisors: 1 5 181 905 61657 308285 11159917 55799585