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55167193 = 1729317353
BaseRepresentation
bin1101001001110…
…0100011011001
310211210210011101
43102130203121
5103110322233
65250231401
71236625204
oct322344331
9124723141
1055167193
112915aa24
1216585561
13b577313
14748093b
154c9ac7d
hex349c8d9

55167193 has 16 divisors (see below), whose sum is σ = 60788880. Its totient is φ = 49831936.

The previous prime is 55167169. The next prime is 55167209. The reversal of 55167193 is 39176155.

55167193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1408969 + 53758224 = 1187^2 + 7332^2 .

It is a cyclic number.

It is not a de Polignac number, because 55167193 - 225 = 21612761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55161193) by changing a digit.

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, 156105 + ... + 156457.

It is an arithmetic number, because the mean of its divisors is an integer number (3799305).

Almost surely, 255167193 is an apocalyptic number.

It is an amenable number.

55167193 is a deficient number, since it is larger than the sum of its proper divisors (5621687).

55167193 is a wasteful number, since it uses less digits than its factorization.

55167193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 28350, while the sum is 37.

The square root of 55167193 is about 7427.4620833768. The cubic root of 55167193 is about 380.6802059785.

The spelling of 55167193 in words is "fifty-five million, one hundred sixty-seven thousand, one hundred ninety-three".

Divisors: 1 17 29 317 353 493 5389 6001 9193 10237 111901 156281 174029 1902317 3245129 55167193