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55744884 = 223213311383
BaseRepresentation
bin1101010010100…
…1100101110100
310212220010121100
43110221211310
5103232314014
65310450100
71244552346
oct324514564
9125803540
1055744884
1129514a58
1216803930
13b71a250
147591296
154d62009
hex3529974

55744884 has 72 divisors (see below), whose sum is σ = 152635392. Its totient is φ = 17052480.

The previous prime is 55744877. The next prime is 55744901. The reversal of 55744884 is 48844755.

55744884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 145357 + ... + 145739.

It is an arithmetic number, because the mean of its divisors is an integer number (2119936).

Almost surely, 255744884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55744884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76317696).

55744884 is an abundant number, since it is smaller than the sum of its proper divisors (96890508).

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

55744884 is a wasteful number, since it uses less digits than its factorization.

55744884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 712 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 55744884 is about 7466.2496609744. The cubic root of 55744884 is about 382.0043766574.

The spelling of 55744884 in words is "fifty-five million, seven hundred forty-four thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 311 383 468 622 766 933 1149 1244 1532 1866 2298 2799 3447 3732 4043 4596 4979 5598 6894 8086 9958 11196 12129 13788 14937 16172 19916 24258 29874 36387 44811 48516 59748 72774 89622 119113 145548 179244 238226 357339 476452 714678 1072017 1429356 1548469 2144034 3096938 4288068 4645407 6193876 9290814 13936221 18581628 27872442 55744884