Search a number
-
+
54312253 is a prime number
BaseRepresentation
bin1100111100101…
…1110100111101
310210012100101221
43033023310331
5102400443003
65220033341
71226434522
oct317136475
9123170357
1054312253
1128726666
1216232851
13b338138
1472db149
154b7c7bd
hex33cbd3d

54312253 has 2 divisors, whose sum is σ = 54312254. Its totient is φ = 54312252.

The previous prime is 54312233. The next prime is 54312257. The reversal of 54312253 is 35221345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53611684 + 700569 = 7322^2 + 837^2 .

It is a cyclic number.

It is not a de Polignac number, because 54312253 - 221 = 52215101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54312257) 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 as a sum of consecutive naturals, namely, 27156126 + 27156127.

It is an arithmetic number, because the mean of its divisors is an integer number (27156127).

Almost surely, 254312253 is an apocalyptic number.

It is an amenable number.

54312253 is a deficient number, since it is larger than the sum of its proper divisors (1).

54312253 is an equidigital number, since it uses as much as digits as its factorization.

54312253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 54312253 is about 7369.6847286706. The cubic root of 54312253 is about 378.7034598822.

Adding to 54312253 its reverse (35221345), we get a palindrome (89533598).

The spelling of 54312253 in words is "fifty-four million, three hundred twelve thousand, two hundred fifty-three".