Search a number
-
+
55035643 = 1326316097
BaseRepresentation
bin1101000111110…
…0011011111011
310211120002201011
43101330123323
5103042120033
65243334351
71235536525
oct321743373
9124502634
1055035643
1129080103
12165213b7
13b52c490
147448a15
154c71ccd
hex347c6fb

55035643 has 8 divisors (see below), whose sum is σ = 59498208. Its totient is φ = 50605824.

The previous prime is 55035641. The next prime is 55035661. The reversal of 55035643 is 34653055.

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 55035643 - 21 = 55035641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55035641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4630 + ... + 11467.

It is an arithmetic number, because the mean of its divisors is an integer number (7437276).

Almost surely, 255035643 is an apocalyptic number.

55035643 is a deficient number, since it is larger than the sum of its proper divisors (4462565).

55035643 is a wasteful number, since it uses less digits than its factorization.

55035643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 55035643 is about 7418.6011484646. The cubic root of 55035643 is about 380.3773790241.

Adding to 55035643 its reverse (34653055), we get a palindrome (89688698).

The spelling of 55035643 in words is "fifty-five million, thirty-five thousand, six hundred forty-three".

Divisors: 1 13 263 3419 16097 209261 4233511 55035643