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50505050550555 = 32581121706399
BaseRepresentation
bin10110111101111000111111…
…00110001111000100011011
320121211020100210212112021100
423132330133212033010123
523104433320420104210
6255225411103242443
713431604143314616
oct1336743746170433
9217736323775240
1050505050550555
111510208740aa07
1257b82732a9423
1322247b501b4b3
14c686594cb17d
155c8b43d825c0
hex2def1f98f11b

50505050550555 has 36 divisors (see below), whose sum is σ = 87650215473600. Its totient is φ = 26902797844320.

The previous prime is 50505050550467. The next prime is 50505050550557. The reversal of 50505050550555 is 55505505050505.

It is not a de Polignac number, because 50505050550555 - 29 = 50505050550043 is a prime.

It is a super-2 number, since 2×505050505505552 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50505050550555.

It is not an unprimeable number, because it can be changed into a prime (50505050550557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28744246 + ... + 30450644.

It is an arithmetic number, because the mean of its divisors is an integer number (2434728207600).

Almost surely, 250505050550555 is an apocalyptic number.

50505050550555 is a deficient number, since it is larger than the sum of its proper divisors (37145164923045).

50505050550555 is an equidigital number, since it uses as much as digits as its factorization.

50505050550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708032 (or 1707218 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 50505050550555 in words is "fifty trillion, five hundred five billion, fifty million, five hundred fifty thousand, five hundred fifty-five".

Divisors: 1 3 5 9 15 45 811 2433 4055 7299 12165 36495 657721 1706399 1973163 3288605 5119197 5919489 8531995 9865815 15357591 25595985 29597445 76787955 1383889589 4151668767 6919447945 12455006301 20758343835 62275031505 1122334456679 3367003370037 5611672283395 10101010110111 16835016850185 50505050550555