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54432443 = 134187111
BaseRepresentation
bin1100111110100…
…1001010111011
310210102110021102
43033221022323
5102413314233
65222402015
71230445112
oct317511273
9123373242
1054432443
11287a899a
121629030b
13b37aa60
14732cc79
154ba31e8
hex33e92bb

54432443 has 4 divisors (see below), whose sum is σ = 58619568. Its totient is φ = 50245320.

The previous prime is 54432437. The next prime is 54432451. The reversal of 54432443 is 34423445.

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

It is a cyclic number.

It is not a de Polignac number, because 54432443 - 224 = 37655227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54432463) 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, 2093543 + ... + 2093568.

It is an arithmetic number, because the mean of its divisors is an integer number (14654892).

Almost surely, 254432443 is an apocalyptic number.

54432443 is a deficient number, since it is larger than the sum of its proper divisors (4187125).

54432443 is a wasteful number, since it uses less digits than its factorization.

54432443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187124.

The product of its digits is 23040, while the sum is 29.

The square root of 54432443 is about 7377.8345739112. The cubic root of 54432443 is about 378.9826039824.

Adding to 54432443 its reverse (34423445), we get a palindrome (88855888).

The spelling of 54432443 in words is "fifty-four million, four hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 13 4187111 54432443