Search a number
-
+
55500050505 = 3529374098431
BaseRepresentation
bin110011101100000011…
…111001000001001001
312022020220010200112010
4303230003321001021
51402131003104010
641255114410133
74003225434264
oct635403710111
9168226120463
1055500050505
11215a0371439
12a90aa30949
1353063a0693
142986d9bcdb
15169c674620
hexcec0f9049

55500050505 has 64 divisors (see below), whose sum is σ = 94586803200. Its totient is φ = 27735644160.

The previous prime is 55500050503. The next prime is 55500050531. The reversal of 55500050505 is 50505000555.

It is not a de Polignac number, because 55500050505 - 21 = 55500050503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55500050503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6578640 + ... + 6587070.

It is an arithmetic number, because the mean of its divisors is an integer number (1477918800).

Almost surely, 255500050505 is an apocalyptic number.

It is an amenable number.

55500050505 is a deficient number, since it is larger than the sum of its proper divisors (39086752695).

55500050505 is a wasteful number, since it uses less digits than its factorization.

55500050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914.

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 55500050 and 505, that added together give a palindrome (55500555).

The spelling of 55500050505 in words is "fifty-five billion, five hundred million, fifty thousand, five hundred five".

Divisors: 1 3 5 15 29 37 87 111 145 185 409 435 555 1073 1227 2045 3219 5365 6135 8431 11861 15133 16095 25293 35583 42155 45399 59305 75665 126465 177915 226995 244499 311947 438857 733497 935841 1222495 1316571 1559735 2194285 3448279 3667485 4679205 6582855 9046463 10344837 17241395 27139389 45232315 51724185 100000091 127586323 135696945 300000273 382758969 500000455 637931615 1500001365 1913794845 3700003367 11100010101 18500016835 55500050505