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55050560 = 265712423
BaseRepresentation
bin1101001000000…
…0000101000000
310211120212011122
43102000011000
5103043104220
65243531412
71235631155
oct322000500
9124525148
1055050560
1129090334
1216529b68
13b5361c6
14745022c
154c76425
hex3480140

55050560 has 56 divisors (see below), whose sum is σ = 132990336. Its totient is φ = 21701120.

The previous prime is 55050557. The next prime is 55050571. The reversal of 55050560 is 6505055.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 21509 + ... + 23931.

Almost surely, 255050560 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 55050560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66495168).

55050560 is an abundant number, since it is smaller than the sum of its proper divisors (77939776).

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

55050560 is a wasteful number, since it uses less digits than its factorization.

55050560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55050560 is about 7419.6064585664. The cubic root of 55050560 is about 380.4117420689.

The spelling of 55050560 in words is "fifty-five million, fifty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 71 80 142 160 284 320 355 568 710 1136 1420 2272 2423 2840 4544 4846 5680 9692 11360 12115 19384 22720 24230 38768 48460 77536 96920 155072 172033 193840 344066 387680 688132 775360 860165 1376264 1720330 2752528 3440660 5505056 6881320 11010112 13762640 27525280 55050560