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55072335 = 3519718637
BaseRepresentation
bin1101001000010…
…1011001001111
310211121222001010
43102011121033
5103044303320
65244220303
71236051513
oct322053117
9124558033
1055072335
11290a572a
121653a693
13b5430a6
147458143
154c7cae0
hex348564f

55072335 has 16 divisors (see below), whose sum is σ = 88567776. Its totient is φ = 29221248.

The previous prime is 55072319. The next prime is 55072343. The reversal of 55072335 is 53327055.

55072335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55072335 - 24 = 55072319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6364 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (5535486).

Almost surely, 255072335 is an apocalyptic number.

55072335 is a deficient number, since it is larger than the sum of its proper divisors (33495441).

55072335 is a wasteful number, since it uses less digits than its factorization.

55072335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18842.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55072335 is about 7421.0737093766. The cubic root of 55072335 is about 380.4618921719.

The spelling of 55072335 in words is "fifty-five million, seventy-two thousand, three hundred thirty-five".

Divisors: 1 3 5 15 197 591 985 2955 18637 55911 93185 279555 3671489 11014467 18357445 55072335