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55458844 = 2271980673
BaseRepresentation
bin1101001110001…
…1110000011100
310212100121020021
43103203300130
5103144140334
65300401524
71242251410
oct323436034
9125317207
1055458844
112933a061
12166a62a4
13b649cac
147518d40
154d073b4
hex34e3c1c

55458844 has 12 divisors (see below), whose sum is σ = 110917744. Its totient is φ = 23768064.

The previous prime is 55458841. The next prime is 55458859. The reversal of 55458844 is 44885455.

55458844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55458844 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55458844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55458841) 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, 990309 + ... + 990364.

Almost surely, 255458844 is an apocalyptic number.

It is an amenable number.

55458844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55458844 is a wasteful number, since it uses less digits than its factorization.

55458844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980684 (or 1980682 counting only the distinct ones).

The product of its digits is 512000, while the sum is 43.

The square root of 55458844 is about 7447.0694907460. The cubic root of 55458844 is about 381.3498713901.

The spelling of 55458844 in words is "fifty-five million, four hundred fifty-eight thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 28 1980673 3961346 7922692 13864711 27729422 55458844