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55342361 = 173255433
BaseRepresentation
bin1101001100011…
…1010100011001
310212010200110002
43103013110121
5103131423421
65254102345
71241254664
oct323072431
9125120402
1055342361
112926a598
121664a9b5
13b608c79
1474c86db
154cd2b0b
hex34c7519

55342361 has 4 divisors (see below), whose sum is σ = 58597812. Its totient is φ = 52086912.

The previous prime is 55342321. The next prime is 55342369. The reversal of 55342361 is 16324355.

55342361 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.

It can be written as a sum of positive squares in 2 ways, for example, as 51036736 + 4305625 = 7144^2 + 2075^2 .

It is not a de Polignac number, because 55342361 - 210 = 55341337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55342369) 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, 1627700 + ... + 1627733.

It is an arithmetic number, because the mean of its divisors is an integer number (14649453).

Almost surely, 255342361 is an apocalyptic number.

It is an amenable number.

55342361 is a deficient number, since it is larger than the sum of its proper divisors (3255451).

55342361 is a wasteful number, since it uses less digits than its factorization.

55342361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255450.

The product of its digits is 10800, while the sum is 29.

The square root of 55342361 is about 7439.2446525168. The cubic root of 55342361 is about 381.0826948081.

The spelling of 55342361 in words is "fifty-five million, three hundred forty-two thousand, three hundred sixty-one".

Divisors: 1 17 3255433 55342361