55455425 has 12 divisors (see below), whose sum is σ = 69410736. Its totient is φ = 43947600.

The previous prime is 55455403. The next prime is 55455427. The reversal of 55455425 is 52455455.

55455425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55455425 - 2¹⁰ = 55454401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55455427) 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 11 ways as a sum of consecutive naturals, for example, 7691 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (5784228).

Almost surely, 2^55455425 is an apocalyptic number.

It is an amenable number.

55455425 is a deficient number, since it is larger than the sum of its proper divisors (13955311).

55455425 is a wasteful number, since it uses less digits than its factorization.

55455425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20848 (or 20843 counting only the distinct ones).

The product of its digits is 100000, while the sum is 35.

The square root of 55455425 is about 7446.8399338243. The cubic root of 55455425 is about 381.3420345756.

The spelling of 55455425 in words is "fifty-five million, four hundred fifty-five thousand, four hundred twenty-five".