55053585 has 24 divisors (see below), whose sum is σ = 96378984. Its totient is φ = 29068800.

The previous prime is 55053577. The next prime is 55053589. The reversal of 55053585 is 58535055.

55053585 is a `hidden beast` number, since 550 + 53 + 58 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13373649 + 41679936 = 3657^2 + 6456^2 .

It is not a de Polignac number, because 55053585 - 2³ = 55053577 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1512 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (4015791).

Almost surely, 2^55053585 is an apocalyptic number.

It is an amenable number.

55053585 is a deficient number, since it is larger than the sum of its proper divisors (41325399).

55053585 is a wasteful number, since it uses less digits than its factorization.

55053585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225 (or 12222 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 55053585 is about 7419.8103075483. The cubic root of 55053585 is about 380.4187097512.

The spelling of 55053585 in words is "fifty-five million, fifty-three thousand, five hundred eighty-five".