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55450441 = 179309779
BaseRepresentation
bin1101001110000…
…1101101001001
310212100011201001
43103201231021
5103143403231
65300255001
71242215044
oct323415511
9125304631
1055450441
1129333812
12166a1461
13b646217
147515c5b
154d04b61
hex34e1b49

55450441 has 4 divisors (see below), whose sum is σ = 55760400. Its totient is φ = 55140484.

The previous prime is 55450429. The next prime is 55450469. The reversal of 55450441 is 14405455.

55450441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55450441 - 29 = 55449929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55450841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154711 + ... + 155068.

It is an arithmetic number, because the mean of its divisors is an integer number (13940100).

Almost surely, 255450441 is an apocalyptic number.

It is an amenable number.

55450441 is a deficient number, since it is larger than the sum of its proper divisors (309959).

55450441 is a wasteful number, since it uses less digits than its factorization.

55450441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309958.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 55450441 is about 7446.5052877172. The cubic root of 55450441 is about 381.3306099907.

Adding to 55450441 its reverse (14405455), we get a palindrome (69855896).

The spelling of 55450441 in words is "fifty-five million, four hundred fifty thousand, four hundred forty-one".

Divisors: 1 179 309779 55450441