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55056100055 = 5111639916197
BaseRepresentation
bin110011010001100110…
…010110101011010111
312021002221202122222212
4303101212112223113
51400223330200210
641143055144035
73656225062145
oct632146265327
9167087678885
1055056100055
1121392807940
12a80621501b
1352654113c8
142944036595
1516736cd805
hexcd1996ad7

55056100055 has 32 divisors (see below), whose sum is σ = 72600496128. Its totient is φ = 39748579200.

The previous prime is 55056100051. The next prime is 55056100087. The reversal of 55056100055 is 55000165055.

It is not a de Polignac number, because 55056100055 - 22 = 55056100051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55056099994 and 55056100030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056100051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8881217 + ... + 8887413.

It is an arithmetic number, because the mean of its divisors is an integer number (2268765504).

Almost surely, 255056100055 is an apocalyptic number.

55056100055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55056100055 is a deficient number, since it is larger than the sum of its proper divisors (17544396073).

55056100055 is a wasteful number, since it uses less digits than its factorization.

55056100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55056100055 in words is "fifty-five billion, fifty-six million, one hundred thousand, fifty-five".

Divisors: 1 5 11 55 163 815 991 1793 4955 6197 8965 10901 30985 54505 68167 161533 340835 807665 1010111 1776863 5050555 6141227 8884315 11111221 30706135 55556105 67553497 337767485 1001020001 5005100005 11011220011 55056100055