Search a number
-
+
55448299 = 103538333
BaseRepresentation
bin1101001110000…
…1001011101011
310212100001202201
43103201023223
5103143321144
65300241031
71242205564
oct323411353
9125301681
1055448299
1129332145
12166a0177
13b64525a
14751516b
154d041d4
hex34e12eb

55448299 has 4 divisors (see below), whose sum is σ = 55986736. Its totient is φ = 54909864.

The previous prime is 55448291. The next prime is 55448303. The reversal of 55448299 is 99284455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99284455 = 519856891.

It is a cyclic number.

It is not a de Polignac number, because 55448299 - 23 = 55448291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55448291) 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, 269064 + ... + 269269.

It is an arithmetic number, because the mean of its divisors is an integer number (13996684).

Almost surely, 255448299 is an apocalyptic number.

55448299 is a deficient number, since it is larger than the sum of its proper divisors (538437).

55448299 is a wasteful number, since it uses less digits than its factorization.

55448299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538436.

The product of its digits is 518400, while the sum is 46.

The square root of 55448299 is about 7446.3614604718. The cubic root of 55448299 is about 381.3256997761.

The spelling of 55448299 in words is "fifty-five million, four hundred forty-eight thousand, two hundred ninety-nine".

Divisors: 1 103 538333 55448299