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55435223 = 313894597
BaseRepresentation
bin1101001101110…
…1111111010111
310212022101211102
43103131333113
5103142411343
65300100315
71242122504
oct323357727
9125271742
1055435223
1129323338
121669469b
13b63c30c
1475104ab
154d003b8
hex34ddfd7

55435223 has 8 divisors (see below), whose sum is σ = 57383040. Its totient is φ = 53497440.

The previous prime is 55435207. The next prime is 55435229. The reversal of 55435223 is 32253455.

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 55435223 - 24 = 55435207 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 (55435229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9761 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (7172880).

Almost surely, 255435223 is an apocalyptic number.

55435223 is a deficient number, since it is larger than the sum of its proper divisors (1947817).

55435223 is a wasteful number, since it uses less digits than its factorization.

55435223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its digits is 18000, while the sum is 29.

The square root of 55435223 is about 7445.4833959925. The cubic root of 55435223 is about 381.2957222599.

Adding to 55435223 its reverse (32253455), we get a palindrome (87688678).

The spelling of 55435223 in words is "fifty-five million, four hundred thirty-five thousand, two hundred twenty-three".

Divisors: 1 31 389 4597 12059 142507 1788233 55435223