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55316265 = 3523223719
BaseRepresentation
bin1101001100000…
…0111100101001
310212002100122120
43103000330221
5103130110030
65253341453
71241115624
oct323007451
9125070576
1055316265
1129251a24
1216637889
13b5ca124
1474bcdbb
154cca010
hex34c0f29

55316265 has 32 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 28053696.

The previous prime is 55316237. The next prime is 55316267. The reversal of 55316265 is 56261355.

It is not a de Polignac number, because 55316265 - 213 = 55308073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55316267) 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, 76576 + ... + 77294.

It is an arithmetic number, because the mean of its divisors is an integer number (2903040).

Almost surely, 255316265 is an apocalyptic number.

It is an amenable number.

55316265 is a deficient number, since it is larger than the sum of its proper divisors (37581015).

55316265 is a wasteful number, since it uses less digits than its factorization.

55316265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its digits is 27000, while the sum is 33.

The square root of 55316265 is about 7437.4905041956. The cubic root of 55316265 is about 381.0227871271.

The spelling of 55316265 in words is "fifty-five million, three hundred sixteen thousand, two hundred sixty-five".

Divisors: 1 3 5 15 23 69 115 223 345 669 719 1115 2157 3345 3595 5129 10785 15387 16537 25645 49611 76935 82685 160337 248055 481011 801685 2405055 3687751 11063253 18438755 55316265