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55042267 = 731253651
BaseRepresentation
bin1101000111111…
…0000011011011
310211120102210111
43101332003123
5103042323032
65243425151
71235565040
oct321760333
9124512714
1055042267
1129085085
12165251b7
13b5324b7
14744b1c7
154c73c47
hex347e0db

55042267 has 8 divisors (see below), whose sum is σ = 64934912. Its totient is φ = 45657000.

The previous prime is 55042241. The next prime is 55042271. The reversal of 55042267 is 76224055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55042267 - 215 = 55009499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (55042367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126609 + ... + 127042.

It is an arithmetic number, because the mean of its divisors is an integer number (8116864).

Almost surely, 255042267 is an apocalyptic number.

55042267 is a deficient number, since it is larger than the sum of its proper divisors (9892645).

55042267 is a wasteful number, since it uses less digits than its factorization.

55042267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253689.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 55042267 is about 7419.0475803839. The cubic root of 55042267 is about 380.3926389450.

The spelling of 55042267 in words is "fifty-five million, forty-two thousand, two hundred sixty-seven".

Divisors: 1 7 31 217 253651 1775557 7863181 55042267