Search a number
-
+
55450300321 = 1319224495143
BaseRepresentation
bin110011101001000110…
…000110111110100001
312022010102112010002201
4303221012012332201
51402030234102241
641250140213201
74002052530103
oct635106067641
9168112463081
1055450300321
1121575281389
12a8b623a201
1352c8ca1bc0
14298052b573
1516980e8931
hexce9186fa1

55450300321 has 8 divisors (see below), whose sum is σ = 62858640320. Its totient is φ = 48490950672.

The previous prime is 55450300313. The next prime is 55450300327. The reversal of 55450300321 is 12300305455.

55450300321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55450300321 - 23 = 55450300313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55450300321.

It is not an unprimeable number, because it can be changed into a prime (55450300327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112247325 + ... + 112247818.

It is an arithmetic number, because the mean of its divisors is an integer number (7857330040).

Almost surely, 255450300321 is an apocalyptic number.

It is an amenable number.

55450300321 is a deficient number, since it is larger than the sum of its proper divisors (7408339999).

55450300321 is a wasteful number, since it uses less digits than its factorization.

55450300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224495175.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 55450300321 its reverse (12300305455), we get a palindrome (67750605776).

The spelling of 55450300321 in words is "fifty-five billion, four hundred fifty million, three hundred thousand, three hundred twenty-one".

Divisors: 1 13 19 247 224495143 2918436859 4265407717 55450300321