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55078106 = 227539053
BaseRepresentation
bin1101001000011…
…0110011011010
310211122020221212
43102012303122
5103044444411
65244303122
71236104366
oct322066332
9124566855
1055078106
11290a9aa6
1216541aa2
13b5458c5
14745a2a6
154c7e68b
hex3486cda

55078106 has 4 divisors (see below), whose sum is σ = 82617162. Its totient is φ = 27539052.

The previous prime is 55078099. The next prime is 55078109. The reversal of 55078106 is 60187055.

55078106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54096025 + 982081 = 7355^2 + 991^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55078109) 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 as a sum of consecutive naturals, namely, 13769525 + ... + 13769528.

Almost surely, 255078106 is an apocalyptic number.

55078106 is a deficient number, since it is larger than the sum of its proper divisors (27539056).

55078106 is a wasteful number, since it uses less digits than its factorization.

55078106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27539055.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 55078106 is about 7421.4625243277. The cubic root of 55078106 is about 380.4751811726.

The spelling of 55078106 in words is "fifty-five million, seventy-eight thousand, one hundred six".

Divisors: 1 2 27539053 55078106