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55015343 = 67338171
BaseRepresentation
bin1101000111011…
…1011110101111
310211112001212022
43101313132233
5103040442333
65243100355
71235423405
oct321673657
9124461768
1055015343
1129066929
12165116bb
13b523176
147441475
154c6ac98
hex34777af

55015343 has 4 divisors (see below), whose sum is σ = 55030248. Its totient is φ = 55000440.

The previous prime is 55015339. The next prime is 55015357. The reversal of 55015343 is 34351055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55015343 - 22 = 55015339 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2648 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (13757562).

Almost surely, 255015343 is an apocalyptic number.

55015343 is a deficient number, since it is larger than the sum of its proper divisors (14905).

55015343 is an equidigital number, since it uses as much as digits as its factorization.

55015343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55015343 is about 7417.2328398130. The cubic root of 55015343 is about 380.3306056366.

Adding to 55015343 its reverse (34351055), we get a palindrome (89366398).

The spelling of 55015343 in words is "fifty-five million, fifteen thousand, three hundred forty-three".

Divisors: 1 6733 8171 55015343