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55789469 = 360715467
BaseRepresentation
bin1101010011010…
…0011110011101
310212222101202122
43110310132131
5103240230334
65311432325
71245126341
oct324643635
9125871678
1055789469
11295454aa
12168256a5
13b734628
1475a3621
154d7032e
hex353479d

55789469 has 4 divisors (see below), whose sum is σ = 55808544. Its totient is φ = 55770396.

The previous prime is 55789439. The next prime is 55789477. The reversal of 55789469 is 96498755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55789469 - 216 = 55723933 is a prime.

It is a super-2 number, since 2×557894692 = 6224929702603922, which contains 22 as substring.

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 55789469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55789439) 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, 4127 + ... + 11340.

It is an arithmetic number, because the mean of its divisors is an integer number (13952136).

Almost surely, 255789469 is an apocalyptic number.

It is an amenable number.

55789469 is a deficient number, since it is larger than the sum of its proper divisors (19075).

55789469 is a wasteful number, since it uses less digits than its factorization.

55789469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19074.

The product of its digits is 2721600, while the sum is 53.

The square root of 55789469 is about 7469.2348336359. The cubic root of 55789469 is about 382.1061924370.

The spelling of 55789469 in words is "fifty-five million, seven hundred eighty-nine thousand, four hundred sixty-nine".

Divisors: 1 3607 15467 55789469