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55534655 = 5117871283
BaseRepresentation
bin1101001111011…
…0010000111111
310212111110020002
43103312100333
5103204102110
65302144515
71243015421
oct323662077
9125443202
1055534655
1129391010
121672213b
13b675657
147538811
154d1eaa5
hex34f643f

55534655 has 16 divisors (see below), whose sum is σ = 72849024. Its totient is φ = 40306080.

The previous prime is 55534643. The next prime is 55534657. The reversal of 55534655 is 55643555.

It is not a de Polignac number, because 55534655 - 210 = 55533631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55534657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42644 + ... + 43926.

It is an arithmetic number, because the mean of its divisors is an integer number (4553064).

Almost surely, 255534655 is an apocalyptic number.

55534655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55534655 is a deficient number, since it is larger than the sum of its proper divisors (17314369).

55534655 is a wasteful number, since it uses less digits than its factorization.

55534655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its digits is 225000, while the sum is 38.

The square root of 55534655 is about 7452.1577412183. The cubic root of 55534655 is about 381.5235578554.

Subtracting 55534655 from its reverse (55643555), we obtain a square (108900 = 3302).

The spelling of 55534655 in words is "fifty-five million, five hundred thirty-four thousand, six hundred fifty-five".

Divisors: 1 5 11 55 787 1283 3935 6415 8657 14113 43285 70565 1009721 5048605 11106931 55534655