55221126 has 8 divisors (see below), whose sum is σ = 110442264. Its totient is φ = 18407040.

The previous prime is 55221119. The next prime is 55221143. The reversal of 55221126 is 62112255.

It is a happy number.

55221126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

55221126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55221096 and 55221105.

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 3 ways as a sum of consecutive naturals, for example, 4601755 + ... + 4601766.

It is an arithmetic number, because the mean of its divisors is an integer number (13805283).

Almost surely, 2^55221126 is an apocalyptic number.

55221126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55221126 is a wasteful number, since it uses less digits than its factorization.

55221126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203526.

The product of its digits is 1200, while the sum is 24.

The square root of 55221126 is about 7431.0918444062. The cubic root of 55221126 is about 380.8042201340.

The spelling of 55221126 in words is "fifty-five million, two hundred twenty-one thousand, one hundred twenty-six".