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54355223441 = 3710253143281
BaseRepresentation
bin110010100111110100…
…101110001110010001
312012022002221110000202
4302213310232032101
51342304414122231
640545341024545
73632654530121
oct624764561621
9165262843022
1054355223441
1121063119972
12a64b555155
13518315600c
1428b8d10c81
151631dd65cb
hexca7d2e391

54355223441 has 8 divisors (see below), whose sum is σ = 55830117864. Its totient is φ = 52880636160.

The previous prime is 54355223413. The next prime is 54355223443. The reversal of 54355223441 is 14432255345.

It can be written as a sum of positive squares in 4 ways, for example, as 11286937600 + 43068285841 = 106240^2 + 207529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54355223441 - 226 = 54288114577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54355223395 and 54355223404.

It is not an unprimeable number, because it can be changed into a prime (54355223443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307721 + ... + 451001.

It is an arithmetic number, because the mean of its divisors is an integer number (6978764733).

Almost surely, 254355223441 is an apocalyptic number.

It is an amenable number.

54355223441 is a deficient number, since it is larger than the sum of its proper divisors (1474894423).

54355223441 is a wasteful number, since it uses less digits than its factorization.

54355223441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153571.

The product of its digits is 288000, while the sum is 38.

Adding to 54355223441 its reverse (14432255345), we get a palindrome (68787478786).

The spelling of 54355223441 in words is "fifty-four billion, three hundred fifty-five million, two hundred twenty-three thousand, four hundred forty-one".

Divisors: 1 37 10253 143281 379361 5301397 1469060093 54355223441