Search a number
-
+
55245365 = 571578439
BaseRepresentation
bin1101001010111…
…1101000110101
310211221202101122
43102233220311
5103120322430
65252033325
71240402130
oct322575065
9124852348
1055245365
112920372a
1216602845
13b5a3a86
1474a1217
154cb3ee5
hex34afa35

55245365 has 8 divisors (see below), whose sum is σ = 75765120. Its totient is φ = 37882512.

The previous prime is 55245353. The next prime is 55245367. The reversal of 55245365 is 56354255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55245365 - 24 = 55245349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1578439 = 55245365 / (5 + 5 + 2 + 4 + 5 + 3 + 6 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55245367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789185 + ... + 789254.

It is an arithmetic number, because the mean of its divisors is an integer number (9470640).

Almost surely, 255245365 is an apocalyptic number.

It is an amenable number.

55245365 is a deficient number, since it is larger than the sum of its proper divisors (20519755).

55245365 is a wasteful number, since it uses less digits than its factorization.

55245365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578451.

The product of its digits is 90000, while the sum is 35.

The square root of 55245365 is about 7432.7225832800. The cubic root of 55245365 is about 380.8599292677.

It can be divided in two parts, 55245 and 365, that multiplied together give a triangular number (20164425 = T6350).

The spelling of 55245365 in words is "fifty-five million, two hundred forty-five thousand, three hundred sixty-five".

Divisors: 1 5 7 35 1578439 7892195 11049073 55245365