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55624343 = 192927597
BaseRepresentation
bin1101010000110…
…0001010010111
310212200000020212
43110030022113
5103214434333
65304120035
71243541045
oct324141227
9125600225
1055624343
1129442435
121676601b
13b6a7418
14755d395
154d3b448
hex350c297

55624343 has 4 divisors (see below), whose sum is σ = 58551960. Its totient is φ = 52696728.

The previous prime is 55624339. The next prime is 55624379. The reversal of 55624343 is 34342655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34342655 = 56868531.

It is not a de Polignac number, because 55624343 - 22 = 55624339 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 (55624043) 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, 1463780 + ... + 1463817.

It is an arithmetic number, because the mean of its divisors is an integer number (14637990).

Almost surely, 255624343 is an apocalyptic number.

55624343 is a deficient number, since it is larger than the sum of its proper divisors (2927617).

55624343 is a wasteful number, since it uses less digits than its factorization.

55624343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927616.

The product of its digits is 43200, while the sum is 32.

The square root of 55624343 is about 7458.1728995780. The cubic root of 55624343 is about 381.7288331663.

Adding to 55624343 its reverse (34342655), we get a palindrome (89966998).

The spelling of 55624343 in words is "fifty-five million, six hundred twenty-four thousand, three hundred forty-three".

Divisors: 1 19 2927597 55624343