Search a number
-
+
550050555505 = 51155191812089
BaseRepresentation
bin10000000000100011001…
…00010110011001110001
31221120202222011100222111
420000101210112121301
533003000420234010
61100404552205321
754511523402263
oct10002144263161
91846688140874
10550050555505
111a2303220660
128a72a999841
133cb3c50b9a9
141c8a0553b33
15e494b6258a
hex8011916671

550050555505 has 16 divisors (see below), whose sum is σ = 720197049600. Its totient is φ = 399964063360.

The previous prime is 550050555491. The next prime is 550050555529. The reversal of 550050555505 is 505555050055.

It is not a de Polignac number, because 550050555505 - 227 = 549916337777 is a prime.

It is a super-2 number, since 2×5500505555052 (a number of 24 digits) contains 22 as substring.

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, 602500 + ... + 1209589.

It is an arithmetic number, because the mean of its divisors is an integer number (45012315600).

Almost surely, 2550050555505 is an apocalyptic number.

550050555505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550050555505 is a deficient number, since it is larger than the sum of its proper divisors (170146494095).

550050555505 is a wasteful number, since it uses less digits than its factorization.

550050555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817624.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 550050555505 in words is "five hundred fifty billion, fifty million, five hundred fifty-five thousand, five hundred five".

Divisors: 1 5 11 55 5519 27595 60709 303545 1812089 9060445 19932979 99664895 10000919191 50004595955 110010111101 550050555505