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55055050505 = 5713393130781
BaseRepresentation
bin110011010001100010…
…010110011100001001
312021002212210100021122
4303101202112130021
51400223043104010
641143020445025
73656213131220
oct632142263411
9167085710248
1055055050505
1121392160344
12a8059a9775
135265134780
142943c41cb7
151673572855
hexcd1896709

55055050505 has 32 divisors (see below), whose sum is σ = 81335401728. Its totient is φ = 34838035200.

The previous prime is 55055050483. The next prime is 55055050549. The reversal of 55055050505 is 50505055055.

It is not a de Polignac number, because 55055050505 - 216 = 55054984969 is a prime.

It is a super-2 number, since 2×550550505052 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1773215 + ... + 1803995.

It is an arithmetic number, because the mean of its divisors is an integer number (2541731304).

Almost surely, 255055050505 is an apocalyptic number.

It is an amenable number.

55055050505 is a deficient number, since it is larger than the sum of its proper divisors (26280351223).

55055050505 is a wasteful number, since it uses less digits than its factorization.

55055050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34737.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55055050505 in words is "fifty-five billion, fifty-five million, fifty thousand, five hundred five".

Divisors: 1 5 7 13 35 65 91 455 3931 19655 27517 30781 51103 137585 153905 215467 255515 357721 400153 1077335 1788605 2000765 2801071 14005355 121000111 605000555 847000777 1573001443 4235003885 7865007215 11011010101 55055050505