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55027488 = 2531493847
BaseRepresentation
bin1101000111101…
…0011100100000
310211112200112010
43101322130200
5103041334423
65243232520
71235503665
oct321723440
9124480463
1055027488
1129074a6a
1216518740
13b528859
147445a6c
154c6e693
hex347a720

55027488 has 48 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 18214656.

The previous prime is 55027433. The next prime is 55027517. The reversal of 55027488 is 88472055.

It is a tau number, because it is divible by the number of its divisors (48).

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, 12381 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (3030300).

Almost surely, 255027488 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 55027488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72727200).

55027488 is an abundant number, since it is smaller than the sum of its proper divisors (90426912).

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

55027488 is a wasteful number, since it uses less digits than its factorization.

55027488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 55027488 is about 7418.0514961815. The cubic root of 55027488 is about 380.3585904077.

The spelling of 55027488 in words is "fifty-five million, twenty-seven thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 149 298 447 596 894 1192 1788 2384 3576 3847 4768 7152 7694 11541 14304 15388 23082 30776 46164 61552 92328 123104 184656 369312 573203 1146406 1719609 2292812 3439218 4585624 6878436 9171248 13756872 18342496 27513744 55027488