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55764943 = 1319225769
BaseRepresentation
bin1101010010111…
…0011111001111
310212221011010021
43110232133033
5103233434233
65311123011
71244665003
oct324563717
9125834107
1055764943
1129529033
1216813467
13b726410
147598703
154d67e2d
hex352e7cf

55764943 has 8 divisors (see below), whose sum is σ = 63215600. Its totient is φ = 48765888.

The previous prime is 55764931. The next prime is 55764959. The reversal of 55764943 is 34946755.

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 55764943 - 25 = 55764911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55764943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55765943) 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, 112638 + ... + 113131.

It is an arithmetic number, because the mean of its divisors is an integer number (7901950).

Almost surely, 255764943 is an apocalyptic number.

55764943 is a deficient number, since it is larger than the sum of its proper divisors (7450657).

55764943 is a wasteful number, since it uses less digits than its factorization.

55764943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225801.

The product of its digits is 453600, while the sum is 43.

The square root of 55764943 is about 7467.5928517830. The cubic root of 55764943 is about 382.0501907682.

The spelling of 55764943 in words is "fifty-five million, seven hundred sixty-four thousand, nine hundred forty-three".

Divisors: 1 13 19 247 225769 2934997 4289611 55764943