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55811744 = 252417237
BaseRepresentation
bin1101010011100…
…1111010100000
310220000112022122
43110321322200
5103241433434
65312123412
71245251312
oct324717240
9126015278
1055811744
112956020a
1216836568
13b741801
1475ab7b2
154d76c2e
hex3539ea0

55811744 has 24 divisors (see below), whose sum is σ = 110350548. Its totient is φ = 27786240.

The previous prime is 55811741. The next prime is 55811753. The reversal of 55811744 is 44711855.

55811744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 53290000 + 2521744 = 7300^2 + 1588^2 .

It is a super-2 number, since 2×558117442 = 6229901536643072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55811741) 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, 4094 + ... + 11330.

Almost surely, 255811744 is an apocalyptic number.

It is an amenable number.

55811744 is a deficient number, since it is larger than the sum of its proper divisors (54538804).

55811744 is a wasteful number, since it uses less digits than its factorization.

55811744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488 (or 7480 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 55811744 is about 7470.7258014198. The cubic root of 55811744 is about 382.1570400436.

The spelling of 55811744 in words is "fifty-five million, eight hundred eleven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 241 482 964 1928 3856 7237 7712 14474 28948 57896 115792 231584 1744117 3488234 6976468 13952936 27905872 55811744