Search a number
-
+
55264159 = 431285213
BaseRepresentation
bin1101001011010…
…0001110011111
310211222201011201
43102310032133
5103121423114
65252300331
71240510666
oct322641637
9124881151
1055264159
1129216865
12166116a7
13b5ac4b2
1474a7ddd
154cb9874
hex34b439f

55264159 has 4 divisors (see below), whose sum is σ = 56549416. Its totient is φ = 53978904.

The previous prime is 55264133. The next prime is 55264163. The reversal of 55264159 is 95146255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95146255 = 519029251.

It is a cyclic number.

It is not a de Polignac number, because 55264159 - 27 = 55264031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55264129) 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, 642564 + ... + 642649.

It is an arithmetic number, because the mean of its divisors is an integer number (14137354).

Almost surely, 255264159 is an apocalyptic number.

55264159 is a deficient number, since it is larger than the sum of its proper divisors (1285257).

55264159 is a wasteful number, since it uses less digits than its factorization.

55264159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285256.

The product of its digits is 54000, while the sum is 37.

The square root of 55264159 is about 7433.9867500555. The cubic root of 55264159 is about 380.9031127999.

It can be divided in two parts, 55 and 264159, that multiplied together give a triangular number (14528745 = T5390).

The spelling of 55264159 in words is "fifty-five million, two hundred sixty-four thousand, one hundred fifty-nine".

Divisors: 1 43 1285213 55264159