Search a number
-
+
55284322 = 227642161
BaseRepresentation
bin1101001011100…
…1001001100010
310212000201211111
43102321021202
5103123044242
65252533534
71240623532
oct322711142
9125021744
1055284322
112922aa25
12166212aa
13b5b8722
1474b14c2
154cc0817
hex34b9262

55284322 has 4 divisors (see below), whose sum is σ = 82926486. Its totient is φ = 27642160.

The previous prime is 55284311. The next prime is 55284337. The reversal of 55284322 is 22348255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22348255 = 54469651.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 4888521 = 7099^2 + 2211^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13821079 + ... + 13821082.

Almost surely, 255284322 is an apocalyptic number.

55284322 is a deficient number, since it is larger than the sum of its proper divisors (27642164).

55284322 is a wasteful number, since it uses less digits than its factorization.

55284322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27642163.

The product of its digits is 19200, while the sum is 31.

The square root of 55284322 is about 7435.3427627783. The cubic root of 55284322 is about 380.9494310392.

The spelling of 55284322 in words is "fifty-five million, two hundred eighty-four thousand, three hundred twenty-two".

Divisors: 1 2 27642161 55284322