Search a number
-
+
55836028 = 22132110567
BaseRepresentation
bin1101010011111…
…1110101111100
310220001202122001
43110333311330
5103243223103
65312432044
71245412153
oct324776574
9126052561
1055836028
1129577486
1216848624
13b74c891
1475b659a
154d7e01d
hex353fd7c

55836028 has 12 divisors (see below), whose sum is σ = 97796272. Its totient is φ = 27894240.

The previous prime is 55836023. The next prime is 55836031. The reversal of 55836028 is 82063855.

55836028 is a nontrivial binomial coefficient, being equal to C(10568, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55836023) 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, 1 + ... + 10567.

Almost surely, 255836028 is an apocalyptic number.

55836028 is the 10567-th triangular number and also the 5284-th hexagonal number.

55836028 is the 3523-rd centered nonagonal number.

It is an amenable number.

55836028 is a deficient number, since it is larger than the sum of its proper divisors (41960244).

55836028 is a wasteful number, since it uses less digits than its factorization.

55836028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892 (or 11890 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 55836028 is about 7472.3509018247. The cubic root of 55836028 is about 382.2124582241.

It can be divided in two parts, 5583 and 6028, that added together give a palindrome (11611).

The spelling of 55836028 in words is "fifty-five million, eight hundred thirty-six thousand, twenty-eight".

Divisors: 1 2 4 1321 2642 5284 10567 21134 42268 13959007 27918014 55836028