55420046 has 8 divisors (see below), whose sum is σ = 90687384. Its totient is φ = 25190920.

The previous prime is 55420039. The next prime is 55420049. The reversal of 55420046 is 64002455.

55420046 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 junction number, because it is equal to n+sod(n) for n = 55419997 and 55420024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55420049) 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, 1259525 + ... + 1259568.

It is an arithmetic number, because the mean of its divisors is an integer number (11335923).

Almost surely, 2^55420046 is an apocalyptic number.

55420046 is a deficient number, since it is larger than the sum of its proper divisors (35267338).

55420046 is a wasteful number, since it uses less digits than its factorization.

55420046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519106.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55420046 is about 7444.4641177186. The cubic root of 55420046 is about 381.2609221631.

The spelling of 55420046 in words is "fifty-five million, four hundred twenty thousand, forty-six".