Search a number
-
+
55386808 = 2310367217
BaseRepresentation
bin1101001101001…
…0001010111000
310212012221102021
43103102022320
5103134334213
65255044224
71241531401
oct323221270
9125187367
1055386808
112929aa24
1216670674
13b623279
1474da9a8
154ce0d8d
hex34d22b8

55386808 has 16 divisors (see below), whose sum is σ = 104860080. Its totient is φ = 27424128.

The previous prime is 55386803. The next prime is 55386809. The reversal of 55386808 is 80868355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55386803) 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, 32785 + ... + 34432.

It is an arithmetic number, because the mean of its divisors is an integer number (6553755).

Almost surely, 255386808 is an apocalyptic number.

It is an amenable number.

55386808 is a deficient number, since it is larger than the sum of its proper divisors (49473272).

55386808 is a wasteful number, since it uses less digits than its factorization.

55386808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67326 (or 67322 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 55386808 is about 7442.2313858143. The cubic root of 55386808 is about 381.1846869036.

The spelling of 55386808 in words is "fifty-five million, three hundred eighty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 103 206 412 824 67217 134434 268868 537736 6923351 13846702 27693404 55386808