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55842323 = 255721839
BaseRepresentation
bin1101010100000…
…1011000010011
310220002002021012
43111001120103
5103243423243
65312521135
71245436415
oct325013023
9126062235
1055842323
1129581189
12168501ab
13b7526c4
1475b89b5
154d80d18
hex3541613

55842323 has 4 divisors (see below), whose sum is σ = 55866720. Its totient is φ = 55817928.

The previous prime is 55842307. The next prime is 55842341. The reversal of 55842323 is 32324855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32324855 = 56464971.

It is a cyclic number.

It is not a de Polignac number, because 55842323 - 24 = 55842307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55842323.

It is not an unprimeable number, because it can be changed into a prime (55842373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8363 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (13966680).

Almost surely, 255842323 is an apocalyptic number.

55842323 is a deficient number, since it is larger than the sum of its proper divisors (24397).

55842323 is a wasteful number, since it uses less digits than its factorization.

55842323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24396.

The product of its digits is 28800, while the sum is 32.

The square root of 55842323 is about 7472.7721094651. The cubic root of 55842323 is about 382.2268213340.

It can be divided in two parts, 55842 and 323, that added together give a palindrome (56165).

The spelling of 55842323 in words is "fifty-five million, eight hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 2557 21839 55842323