55590285 has 16 divisors (see below), whose sum is σ = 91814400. Its totient is φ = 28691520.

The previous prime is 55590281. The next prime is 55590307. The reversal of 55590285 is 58209555.

55590285 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 55590285 - 2² = 55590281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55590281) 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 15 ways as a sum of consecutive naturals, for example, 59310 + ... + 60239.

It is an arithmetic number, because the mean of its divisors is an integer number (5738400).

Almost surely, 2^55590285 is an apocalyptic number.

It is an amenable number.

55590285 is a deficient number, since it is larger than the sum of its proper divisors (36224115).

55590285 is a wasteful number, since it uses less digits than its factorization.

55590285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119588.

The product of its (nonzero) digits is 90000, while the sum is 39.

The square root of 55590285 is about 7455.8892829762. The cubic root of 55590285 is about 381.6509082014.

The spelling of 55590285 in words is "fifty-five million, five hundred ninety thousand, two hundred eighty-five".