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55451474224745 = 517652370284997
BaseRepresentation
bin11001001101110110011010…
…11011000110011001101001
321021100002221120200022100012
430212323031123012121221
524232004104400142440
6313534020001221305
714452144136653334
oct1446731533063151
9237302846608305
1055451474224745
1116739924645955
126276a4a631835
1324c3089431511
14d99c1959761b
15662647c76e65
hex326ecd6c6669

55451474224745 has 8 divisors (see below), whose sum is σ = 70455990779784. Its totient is φ = 41751698239744.

The previous prime is 55451474224739. The next prime is 55451474224759. The reversal of 55451474224745 is 54742247415455.

It can be written as a sum of positive squares in 4 ways, for example, as 25051986998416 + 30399487226329 = 5005196^2 + 5513573^2 .

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 55451474224745 - 26 = 55451474224681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326185142414 + ... + 326185142583.

It is an arithmetic number, because the mean of its divisors is an integer number (8806998847473).

Almost surely, 255451474224745 is an apocalyptic number.

It is an amenable number.

55451474224745 is a deficient number, since it is larger than the sum of its proper divisors (15004516555039).

55451474224745 is a wasteful number, since it uses less digits than its factorization.

55451474224745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652370285019.

The product of its digits is 125440000, while the sum is 59.

The spelling of 55451474224745 in words is "fifty-five trillion, four hundred fifty-one billion, four hundred seventy-four million, two hundred twenty-four thousand, seven hundred forty-five".

Divisors: 1 5 17 85 652370284997 3261851424985 11090294844949 55451474224745