55105426 has 8 divisors (see below), whose sum is σ = 82980540. Its totient is φ = 27445248.

The previous prime is 55105397. The next prime is 55105429. The reversal of 55105426 is 62450155.

55105426 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 2 ways, for example, as 54982225 + 123201 = 7415^2 + 351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55105394 and 55105403.

It is not an unprimeable number, because it can be changed into a prime (55105429) 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 3 ways as a sum of consecutive naturals, for example, 53091 + ... + 54118.

Almost surely, 2^55105426 is an apocalyptic number.

55105426 is a deficient number, since it is larger than the sum of its proper divisors (27875114).

55105426 is a wasteful number, since it uses less digits than its factorization.

55105426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107468.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55105426 is about 7423.3029036946. The cubic root of 55105426 is about 380.5380789041.

The spelling of 55105426 in words is "fifty-five million, one hundred five thousand, four hundred twenty-six".