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55244783 = 116774959
BaseRepresentation
bin1101001010111…
…1011111101111
310211221201121002
43102233133233
5103120313113
65252030515
71240400336
oct322573757
9124851532
1055244783
1129203250
121660243b
13b5a3729
1474a0d1d
154cb3c58
hex34af7ef

55244783 has 8 divisors (see below), whose sum is σ = 61167360. Its totient is φ = 49472280.

The previous prime is 55244773. The next prime is 55244801. The reversal of 55244783 is 38744255.

It is a happy number.

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

It is not a de Polignac number, because 55244783 - 26 = 55244719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36743 + ... + 38216.

It is an arithmetic number, because the mean of its divisors is an integer number (7645920).

Almost surely, 255244783 is an apocalyptic number.

55244783 is a deficient number, since it is larger than the sum of its proper divisors (5922577).

55244783 is a wasteful number, since it uses less digits than its factorization.

55244783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75037.

The product of its digits is 134400, while the sum is 38.

The square root of 55244783 is about 7432.6834319780. The cubic root of 55244783 is about 380.8585918327.

The spelling of 55244783 in words is "fifty-five million, two hundred forty-four thousand, seven hundred eighty-three".

Divisors: 1 11 67 737 74959 824549 5022253 55244783