Search a number
-
+
53683888550 = 2529711068843
BaseRepresentation
bin110001111111110011…
…110010000110100110
312010120022201002200112
4301333303302012212
51334421033413200
640355000013022
73610223344415
oct617763620646
9163508632615
1053683888550
1120849179046
12a4a2761172
1350a7042136
142853ab947c
1515e2ec7535
hexc7fcf21a6

53683888550 has 24 divisors (see below), whose sum is σ = 100881444216. Its totient is φ = 21252176640.

The previous prime is 53683888543. The next prime is 53683888579. The reversal of 53683888550 is 5588838635.

It is a super-2 number, since 2×536838885502 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53683888550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5529572 + ... + 5539271.

It is an arithmetic number, because the mean of its divisors is an integer number (4203393509).

Almost surely, 253683888550 is an apocalyptic number.

53683888550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53683888550 is a deficient number, since it is larger than the sum of its proper divisors (47197555666).

53683888550 is a wasteful number, since it uses less digits than its factorization.

53683888550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068952 (or 11068947 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 59.

The spelling of 53683888550 in words is "fifty-three billion, six hundred eighty-three million, eight hundred eighty-eight thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 97 194 485 970 2425 4850 11068843 22137686 55344215 110688430 276721075 553442150 1073677771 2147355542 5368388855 10736777710 26841944275 53683888550