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54969855 = 353664657
BaseRepresentation
bin1101000110110…
…0010111111111
310211102202110120
43101230113333
5103033013410
65242110023
71235143653
oct321542777
9124382416
1054969855
1129035736
12164ab313
13b508555
14742ca63
154c5c570
hex346c5ff

54969855 has 8 divisors (see below), whose sum is σ = 87951792. Its totient is φ = 29317248.

The previous prime is 54969853. The next prime is 54969883. The reversal of 54969855 is 55896945.

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

It is not a de Polignac number, because 54969855 - 21 = 54969853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54969798 and 54969807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54969853) 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, 1832314 + ... + 1832343.

It is an arithmetic number, because the mean of its divisors is an integer number (10993974).

Almost surely, 254969855 is an apocalyptic number.

54969855 is a deficient number, since it is larger than the sum of its proper divisors (32981937).

54969855 is a wasteful number, since it uses less digits than its factorization.

54969855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664665.

The product of its digits is 1944000, while the sum is 51.

The square root of 54969855 is about 7414.1658330523. The cubic root of 54969855 is about 380.2257545897.

It can be divided in two parts, 5496 and 9855, that added together give a palindrome (15351).

The spelling of 54969855 in words is "fifty-four million, nine hundred sixty-nine thousand, eight hundred fifty-five".

Divisors: 1 3 5 15 3664657 10993971 18323285 54969855