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55886838 = 2378914951
BaseRepresentation
bin1101010100110…
…0001111110110
310220011100022220
43111030033312
5103301334323
65313503210
71246013250
oct325141766
9126140286
1055886838
1129601677
1216871b06
13b769a47
1475cacd0
154d8e0e3
hex354c3f6

55886838 has 32 divisors (see below), whose sum is σ = 129185280. Its totient is φ = 15787200.

The previous prime is 55886801. The next prime is 55886839. The reversal of 55886838 is 83868855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55886839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (4037040).

Almost surely, 255886838 is an apocalyptic number.

55886838 is an abundant number, since it is smaller than the sum of its proper divisors (73298442).

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

55886838 is a wasteful number, since it uses less digits than its factorization.

55886838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052.

The product of its digits is 1843200, while the sum is 51.

The square root of 55886838 is about 7475.7499958198. The cubic root of 55886838 is about 382.3283590619.

The spelling of 55886838 in words is "fifty-five million, eight hundred eighty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 89 178 267 534 623 1246 1869 3738 14951 29902 44853 89706 104657 209314 313971 627942 1330639 2661278 3991917 7983834 9314473 18628946 27943419 55886838