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55244445530 = 257976931549
BaseRepresentation
bin110011011100110100…
…110101011101011010
312021121002011121102012
4303130310311131122
51401120034224110
641213504105522
73664003016261
oct633464653532
9167532147365
1055244445530
112147a05a65a
12a8593052a2
135295447a31
1429610635d8
151684ed4905
hexcdcd3575a

55244445530 has 16 divisors (see below), whose sum is σ = 99564784200. Its totient is φ = 22070048832.

The previous prime is 55244445527. The next prime is 55244445533. The reversal of 55244445530 is 3554444255.

It is an interprime number because it is at equal distance from previous prime (55244445527) and next prime (55244445533).

It can be written as a sum of positive squares in 4 ways, for example, as 27399849841 + 27844595689 = 165529^2 + 166867^2 .

It is not an unprimeable number, because it can be changed into a prime (55244445533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457805 + ... + 3473744.

Almost surely, 255244445530 is an apocalyptic number.

55244445530 is a deficient number, since it is larger than the sum of its proper divisors (44320338670).

55244445530 is a wasteful number, since it uses less digits than its factorization.

55244445530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932353.

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 55244445530 its reverse (3554444255), we get a palindrome (58798889785).

The spelling of 55244445530 in words is "fifty-five billion, two hundred forty-four million, four hundred forty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 797 1594 3985 7970 6931549 13863098 34657745 69315490 5524444553 11048889106 27622222765 55244445530