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55022345 = 57332083
BaseRepresentation
bin1101000111100…
…1001100001001
310211112102110122
43101321030021
5103041203340
65243153025
71235453000
oct321711411
9124472418
1055022345
1129071114
1216515775
13b526401
147443c37
154c6cdb5
hex3479309

55022345 has 16 divisors (see below), whose sum is σ = 77001600. Its totient is φ = 37728432.

The previous prime is 55022339. The next prime is 55022389. The reversal of 55022345 is 54322055.

It is not a de Polignac number, because 55022345 - 214 = 55005961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14327 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (4812600).

Almost surely, 255022345 is an apocalyptic number.

It is an amenable number.

55022345 is a deficient number, since it is larger than the sum of its proper divisors (21979255).

55022345 is an equidigital number, since it uses as much as digits as its factorization.

55022345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32109 (or 32095 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55022345 is about 7417.7048337070. The cubic root of 55022345 is about 380.3467402988.

The spelling of 55022345 in words is "fifty-five million, twenty-two thousand, three hundred forty-five".

Divisors: 1 5 7 35 49 245 343 1715 32083 160415 224581 1122905 1572067 7860335 11004469 55022345