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55050606 = 23213317589
BaseRepresentation
bin1101001000000…
…0000101101110
310211120212020100
43102000011232
5103043104411
65243531530
71235631252
oct322000556
9124525210
1055050606
1129090376
1216529ba6
13b536230
147450262
154c76456
hex348016e

55050606 has 48 divisors (see below), whose sum is σ = 132612480. Its totient is φ = 16390080.

The previous prime is 55050601. The next prime is 55050629. The reversal of 55050606 is 60605055.

55050606 is a `hidden beast` number, since 5 + 5 + 0 + 50 + 606 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55050606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3460 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (2762760).

Almost surely, 255050606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55050606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66306240).

55050606 is an abundant number, since it is smaller than the sum of its proper divisors (77561874).

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

55050606 is a wasteful number, since it uses less digits than its factorization.

55050606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55050606 is about 7419.6095584606. The cubic root of 55050606 is about 380.4118480257.

The spelling of 55050606 in words is "fifty-five million, fifty thousand, six hundred six".

Divisors: 1 2 3 6 9 13 18 26 31 39 62 78 93 117 186 234 279 403 558 806 1209 2418 3627 7254 7589 15178 22767 45534 68301 98657 136602 197314 235259 295971 470518 591942 705777 887913 1411554 1775826 2117331 3058367 4234662 6116734 9175101 18350202 27525303 55050606