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55160543 = 73077549
BaseRepresentation
bin1101001001101…
…0111011011111
310211210110001002
43102122323133
5103110114133
65250140515
71236566624
oct322327337
9124713032
1055160543
1129155a29
121658173b
13b574299
14747c34b
154c98ce8
hex349aedf

55160543 has 4 divisors (see below), whose sum is σ = 55175400. Its totient is φ = 55145688.

The previous prime is 55160519. The next prime is 55160549. The reversal of 55160543 is 34506155.

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 55160543 - 210 = 55159519 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 (55160549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (13793850).

Almost surely, 255160543 is an apocalyptic number.

55160543 is a deficient number, since it is larger than the sum of its proper divisors (14857).

55160543 is an equidigital number, since it uses as much as digits as its factorization.

55160543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55160543 is about 7427.0144068798. The cubic root of 55160543 is about 380.6649092961.

Adding to 55160543 its reverse (34506155), we get a palindrome (89666698).

The spelling of 55160543 in words is "fifty-five million, one hundred sixty thousand, five hundred forty-three".

Divisors: 1 7307 7549 55160543