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54223523 = 173189619
BaseRepresentation
bin1100111011011…
…0001010100011
310210000211200122
43032312022203
5102340123043
65214110455
71225615034
oct316661243
9123024618
1054223523
1128675a32
12161ab42b
13b306933
1472b6a8b
154b61368
hex33b62a3

54223523 has 4 divisors (see below), whose sum is σ = 57413160. Its totient is φ = 51033888.

The previous prime is 54223493. The next prime is 54223529. The reversal of 54223523 is 32532245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54223523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54223492 and 54223501.

It is not an unprimeable number, because it can be changed into a prime (54223529) 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, 1594793 + ... + 1594826.

It is an arithmetic number, because the mean of its divisors is an integer number (14353290).

Almost surely, 254223523 is an apocalyptic number.

54223523 is a deficient number, since it is larger than the sum of its proper divisors (3189637).

54223523 is a wasteful number, since it uses less digits than its factorization.

54223523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189636.

The product of its digits is 7200, while the sum is 26.

The square root of 54223523 is about 7363.6623360934. The cubic root of 54223523 is about 378.4971180256.

Adding to 54223523 its reverse (32532245), we get a palindrome (86755768).

The spelling of 54223523 in words is "fifty-four million, two hundred twenty-three thousand, five hundred twenty-three".

Divisors: 1 17 3189619 54223523