Search a number
-
+
55255611 = 318418537
BaseRepresentation
bin1101001011001…
…0001000111011
310211222021110010
43102302020323
5103121134421
65252153003
71240444035
oct322621073
9124867403
1055255611
11292103a4
1216608763
13b5a8638
1474a4c55
154cb7076
hex34b223b

55255611 has 4 divisors (see below), whose sum is σ = 73674152. Its totient is φ = 36837072.

The previous prime is 55255601. The next prime is 55255621. The reversal of 55255611 is 11655255.

55255611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55255601) and next prime (55255621).

It is not a de Polignac number, because 55255611 - 25 = 55255579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55255601) 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 3 ways as a sum of consecutive naturals, for example, 9209266 + ... + 9209271.

It is an arithmetic number, because the mean of its divisors is an integer number (18418538).

Almost surely, 255255611 is an apocalyptic number.

55255611 is a deficient number, since it is larger than the sum of its proper divisors (18418541).

55255611 is a wasteful number, since it uses less digits than its factorization.

55255611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18418540.

The product of its digits is 7500, while the sum is 30.

The square root of 55255611 is about 7433.4118007817. The cubic root of 55255611 is about 380.8834730203.

The spelling of 55255611 in words is "fifty-five million, two hundred fifty-five thousand, six hundred eleven".

Divisors: 1 3 18418537 55255611