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55554160560 = 2435619373951
BaseRepresentation
bin110011101111010010…
…010011011110110000
312022101122221202120020
4303233102103132300
51402233331114220
641304330243440
74004453400453
oct635722233660
9168348852506
1055554160560
112161896a098
12a924b86580
135314667772
14299024549a
1516a22b2040
hexcef4937b0

55554160560 has 80 divisors (see below), whose sum is σ = 172496578560. Its totient is φ = 14790470400.

The previous prime is 55554160547. The next prime is 55554160579. The reversal of 55554160560 is 6506145555.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38416 + ... + 335535.

It is an arithmetic number, because the mean of its divisors is an integer number (2156207232).

Almost surely, 255554160560 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 55554160560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86248289280).

55554160560 is an abundant number, since it is smaller than the sum of its proper divisors (116942418000).

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

55554160560 is a wasteful number, since it uses less digits than its factorization.

55554160560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374586 (or 374580 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 55554160560 in words is "fifty-five billion, five hundred fifty-four million, one hundred sixty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 619 1238 1857 2476 3095 3714 4952 6190 7428 9285 9904 12380 14856 18570 24760 29712 37140 49520 74280 148560 373951 747902 1121853 1495804 1869755 2243706 2991608 3739510 4487412 5609265 5983216 7479020 8974824 11218530 14958040 17949648 22437060 29916080 44874120 89748240 231475669 462951338 694427007 925902676 1157378345 1388854014 1851805352 2314756690 2777708028 3472135035 3703610704 4629513380 5555416056 6944270070 9259026760 11110832112 13888540140 18518053520 27777080280 55554160560