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5455665545 = 511214960521
BaseRepresentation
bin1010001010010111…
…01101100110001001
3112002012210112011212
411011023231212021
542133122244140
62301205502505
7252124251311
oct50513554611
915065715155
105455665545
11234a643300
121083111a35
1368c390285
1439a7d6441
1521de63765
hex1452ed989

5455665545 has 24 divisors (see below), whose sum is σ = 7244483400. Its totient is φ = 3941062400.

The previous prime is 5455665539. The next prime is 5455665617.

5455665545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 43414921 + 5412250624 = 6589^2 + 73568^2 .

It is a de Polignac number, because none of the positive numbers 2k-5455665545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5455665493 and 5455665502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59885 + ... + 120405.

It is an arithmetic number, because the mean of its divisors is an integer number (301853475).

Almost surely, 25455665545 is an apocalyptic number.

5455665545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5455665545 is a deficient number, since it is larger than the sum of its proper divisors (1788817855).

5455665545 is a wasteful number, since it uses less digits than its factorization.

5455665545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60697 (or 60686 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 50.

The square root of 5455665545 is about 73862.4772465695. The cubic root of 5455665545 is about 1760.4184551883.

The spelling of 5455665545 in words is "five billion, four hundred fifty-five million, six hundred sixty-five thousand, five hundred forty-five".

Divisors: 1 5 11 55 121 149 605 745 1639 8195 18029 60521 90145 302605 665731 3328655 7323041 9017629 36615205 45088145 99193919 495969595 1091133109 5455665545