Search a number
-
+
54244050401 = 266320369527
BaseRepresentation
bin110010100001001100…
…101000010111100001
312012000100202021021202
4302201030220113201
51342042434103101
640530330130545
73630134551352
oct624114502741
9165010667252
1054244050401
1121006396a22
12a61a280a55
1351660cca58
1428a8251d29
15162727636b
hexca13285e1

54244050401 has 4 divisors (see below), whose sum is σ = 54264422592. Its totient is φ = 54223678212.

The previous prime is 54244050383. The next prime is 54244050463. The reversal of 54244050401 is 10405044245.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10405044245 = 52081008849.

It is a cyclic number.

It is not a de Polignac number, because 54244050401 - 26 = 54244050337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54244050001) 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, 10182101 + ... + 10187426.

It is an arithmetic number, because the mean of its divisors is an integer number (13566105648).

Almost surely, 254244050401 is an apocalyptic number.

It is an amenable number.

54244050401 is a deficient number, since it is larger than the sum of its proper divisors (20372191).

54244050401 is a wasteful number, since it uses less digits than its factorization.

54244050401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20372190.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 54244050401 its reverse (10405044245), we get a palindrome (64649094646).

The spelling of 54244050401 in words is "fifty-four billion, two hundred forty-four million, fifty thousand, four hundred one".

Divisors: 1 2663 20369527 54244050401