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54424553 = 71766543
BaseRepresentation
bin1100111110011…
…1001111101001
310210102001110012
43033213033221
5102413041203
65222301305
71230413111
oct317471751
9123361405
1054424553
11287a2a77
1216287835
13b3772a1
14732a041
154ba0bd8
hex33e73e9

54424553 has 4 divisors (see below), whose sum is σ = 55191168. Its totient is φ = 53657940.

The previous prime is 54424549. The next prime is 54424571. The reversal of 54424553 is 35542445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54424553 - 22 = 54424549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54424523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383201 + ... + 383342.

It is an arithmetic number, because the mean of its divisors is an integer number (13797792).

Almost surely, 254424553 is an apocalyptic number.

It is an amenable number.

54424553 is a deficient number, since it is larger than the sum of its proper divisors (766615).

54424553 is an equidigital number, since it uses as much as digits as its factorization.

54424553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766614.

The product of its digits is 48000, while the sum is 32.

The square root of 54424553 is about 7377.2998447942. The cubic root of 54424553 is about 378.9642918811.

Adding to 54424553 its reverse (35542445), we get a palindrome (89966998).

The spelling of 54424553 in words is "fifty-four million, four hundred twenty-four thousand, five hundred fifty-three".

Divisors: 1 71 766543 54424553