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55822448 = 24112910937
BaseRepresentation
bin1101010011110…
…0100001110000
310220001002000002
43110330201300
5103242304243
65312245132
71245324443
oct324744160
9126032002
1055822448
1129568260
12168407a8
13b746646
1475b165a
154d79eb8
hex353c870

55822448 has 40 divisors (see below), whose sum is σ = 122068080. Its totient is φ = 24496640.

The previous prime is 55822411. The next prime is 55822451. The reversal of 55822448 is 84422855.

It is a super-2 number, since 2×558224482 = 6232291401425408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (3051702).

Almost surely, 255822448 is an apocalyptic number.

55822448 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55822448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61034040).

55822448 is an abundant number, since it is smaller than the sum of its proper divisors (66245632).

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

55822448 is a wasteful number, since it uses less digits than its factorization.

55822448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985 (or 10979 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

The square root of 55822448 is about 7471.4421633310. The cubic root of 55822448 is about 382.1814694748.

The spelling of 55822448 in words is "fifty-five million, eight hundred twenty-two thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 638 1276 2552 5104 10937 21874 43748 87496 120307 174992 240614 317173 481228 634346 962456 1268692 1924912 2537384 3488903 5074768 6977806 13955612 27911224 55822448