Search a number
-
+
55882749 = 3131432891
BaseRepresentation
bin1101010100101…
…1001111111101
310220011010201110
43111023033331
5103301221444
65313432233
71245665316
oct325131775
9126133643
1055882749
11295a959a
121686b679
13b767c20
1475c960d
154d8ccb9
hex354b3fd

55882749 has 8 divisors (see below), whose sum is σ = 80241952. Its totient is φ = 34389360.

The previous prime is 55882733. The next prime is 55882759. The reversal of 55882749 is 94728855.

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

It is not a de Polignac number, because 55882749 - 24 = 55882733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55882698 and 55882707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55882759) 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 7 ways as a sum of consecutive naturals, for example, 716407 + ... + 716484.

It is an arithmetic number, because the mean of its divisors is an integer number (10030244).

Almost surely, 255882749 is an apocalyptic number.

It is an amenable number.

55882749 is a deficient number, since it is larger than the sum of its proper divisors (24359203).

55882749 is a wasteful number, since it uses less digits than its factorization.

55882749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432907.

The product of its digits is 806400, while the sum is 48.

The square root of 55882749 is about 7475.4765065513. The cubic root of 55882749 is about 382.3190343930.

The spelling of 55882749 in words is "fifty-five million, eight hundred eighty-two thousand, seven hundred forty-nine".

Divisors: 1 3 13 39 1432891 4298673 18627583 55882749