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55001183 = 56519733
BaseRepresentation
bin1101000111010…
…0000001011111
310211111100102212
43101310001133
5103040014213
65242511035
71235334206
oct321640137
9124440385
1055001183
1129057226
121650547b
13b5198a3
14743a23d
154c669a8
hex347405f

55001183 has 4 divisors (see below), whose sum is σ = 55016568. Its totient is φ = 54985800.

The previous prime is 55001173. The next prime is 55001207. The reversal of 55001183 is 38110055.

55001183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-55001183 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 (55001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (13754142).

Almost surely, 255001183 is an apocalyptic number.

55001183 is a deficient number, since it is larger than the sum of its proper divisors (15385).

55001183 is an equidigital number, since it uses as much as digits as its factorization.

55001183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 55001183 is about 7416.2782445105. The cubic root of 55001183 is about 380.2979726583.

The spelling of 55001183 in words is "fifty-five million, one thousand, one hundred eighty-three".

Divisors: 1 5651 9733 55001183