55122406 has 8 divisors (see below), whose sum is σ = 84039264. Its totient is φ = 27109320.

The previous prime is 55122367. The next prime is 55122413. The reversal of 55122406 is 60422155.

55122406 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.

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, 225790 + ... + 226033.

It is an arithmetic number, because the mean of its divisors is an integer number (10504908).

Almost surely, 2^55122406 is an apocalyptic number.

55122406 is a deficient number, since it is larger than the sum of its proper divisors (28916858).

55122406 is a wasteful number, since it uses less digits than its factorization.

55122406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451886.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55122406 is about 7424.4465113569. The cubic root of 55122406 is about 380.5771607967.

The spelling of 55122406 in words is "fifty-five million, one hundred twenty-two thousand, four hundred six".