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55886272 = 261325167
BaseRepresentation
bin1101010100110…
…0000111000000
310220011022112221
43111030013000
5103301330042
65313500424
71246011511
oct325140700
9126138487
1055886272
1129601202
1216871714
13b769700
1475caa08
154d8dd67
hex354c1c0

55886272 has 42 divisors (see below), whose sum is σ = 120109488. Its totient is φ = 25788672.

The previous prime is 55886269. The next prime is 55886279. The reversal of 55886272 is 27268855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55886279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8233 + ... + 13399.

Almost surely, 255886272 is an apocalyptic number.

55886272 is a gapful number since it is divisible by the number (52) 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 55886272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60054744).

55886272 is an abundant number, since it is smaller than the sum of its proper divisors (64223216).

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

55886272 is a wasteful number, since it uses less digits than its factorization.

55886272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205 (or 5182 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 55886272 is about 7475.7121399904. The cubic root of 55886272 is about 382.3270683669.

The spelling of 55886272 in words is "fifty-five million, eight hundred eighty-six thousand, two hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 169 208 338 416 676 832 1352 2704 5167 5408 10334 10816 20668 41336 67171 82672 134342 165344 268684 330688 537368 873223 1074736 1746446 2149472 3492892 4298944 6985784 13971568 27943136 55886272