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55050075 = 3252244667
BaseRepresentation
bin1101000111111…
…1111101011011
310211120211111200
43101333331123
5103043100300
65243525243
71235626563
oct321777533
9124524450
1055050075
112908aa33
1216529823
13b535c12
14744dda3
154c76200
hex347ff5b

55050075 has 18 divisors (see below), whose sum is σ = 98601204. Its totient is φ = 29359920.

The previous prime is 55050071. The next prime is 55050089. The reversal of 55050075 is 57005055.

It is not a de Polignac number, because 55050075 - 22 = 55050071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55050071) 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 17 ways as a sum of consecutive naturals, for example, 122109 + ... + 122558.

Almost surely, 255050075 is an apocalyptic number.

55050075 is a deficient number, since it is larger than the sum of its proper divisors (43551129).

55050075 is a wasteful number, since it uses less digits than its factorization.

55050075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244683 (or 244675 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 55050075 is about 7419.5737748202. The cubic root of 55050075 is about 380.4106249126.

It can be divided in two parts, 550 and 50075, that added together give a 4-th power (50625 = 154).

The spelling of 55050075 in words is "fifty-five million, fifty thousand, seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 244667 734001 1223335 2202003 3670005 6116675 11010015 18350025 55050075