Search a number
-
+
55168413 = 318389471
BaseRepresentation
bin1101001001110…
…0110110011101
310211210211211120
43102130312131
5103110342123
65250241153
71236631566
oct322346635
9124724746
1055168413
1129160933
12165861b9
13b577a41
14748116d
154c9b2e3
hex349cd9d

55168413 has 4 divisors (see below), whose sum is σ = 73557888. Its totient is φ = 36778940.

The previous prime is 55168397. The next prime is 55168429. The reversal of 55168413 is 31486155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55168397) and next prime (55168429).

It is a cyclic number.

It is not a de Polignac number, because 55168413 - 24 = 55168397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55168433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9194733 + ... + 9194738.

It is an arithmetic number, because the mean of its divisors is an integer number (18389472).

Almost surely, 255168413 is an apocalyptic number.

It is an amenable number.

55168413 is a deficient number, since it is larger than the sum of its proper divisors (18389475).

55168413 is a wasteful number, since it uses less digits than its factorization.

55168413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18389474.

The product of its digits is 14400, while the sum is 33.

The square root of 55168413 is about 7427.5442105719. The cubic root of 55168413 is about 380.6830121537.

The spelling of 55168413 in words is "fifty-five million, one hundred sixty-eight thousand, four hundred thirteen".

Divisors: 1 3 18389471 55168413