55384425 has 24 divisors (see below), whose sum is σ = 101744480. Its totient is φ = 29538000.

The previous prime is 55384423. The next prime is 55384447. The reversal of 55384425 is 52448355.

55384425 is a `hidden beast` number, since 553 + 84 + 4 + 25 = 666.

55384425 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 55384425 - 2¹ = 55384423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55384425.

It is not an unprimeable number, because it can be changed into a prime (55384423) 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 23 ways as a sum of consecutive naturals, for example, 40351 + ... + 41700.

Almost surely, 2^55384425 is an apocalyptic number.

It is an amenable number.

55384425 is a deficient number, since it is larger than the sum of its proper divisors (46360055).

55384425 is a wasteful number, since it uses less digits than its factorization.

55384425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82070 (or 82059 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 55384425 is about 7442.0712842595. The cubic root of 55384425 is about 381.1792200414.

The spelling of 55384425 in words is "fifty-five million, three hundred eighty-four thousand, four hundred twenty-five".