55425285 has 24 divisors (see below), whose sum is σ = 100249344. Its totient is φ = 28274400.

The previous prime is 55425263. The next prime is 55425311. The reversal of 55425285 is 58252455.

It is a happy number.

55425285 is a `hidden beast` number, since 554 + 25 + 2 + 85 = 666.

55425285 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 55425285 - 2¹⁴ = 55408901 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 25741 + ... + 27810.

It is an arithmetic number, because the mean of its divisors is an integer number (4177056).

Almost surely, 2^55425285 is an apocalyptic number.

It is an amenable number.

55425285 is a deficient number, since it is larger than the sum of its proper divisors (44824059).

55425285 is a wasteful number, since it uses less digits than its factorization.

55425285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53585 (or 53582 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 55425285 is about 7444.8159816076. The cubic root of 55425285 is about 381.2729356443.

The spelling of 55425285 in words is "fifty-five million, four hundred twenty-five thousand, two hundred eighty-five".