55552585 has 16 divisors (see below), whose sum is σ = 72896832. Its totient is φ = 40305600.

The previous prime is 55552573. The next prime is 55552591. The reversal of 55552585 is 58525555.

It is not a de Polignac number, because 55552585 - 2⁷ = 55552457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28822 + ... + 30688.

It is an arithmetic number, because the mean of its divisors is an integer number (4556052).

Almost surely, 2^55552585 is an apocalyptic number.

55552585 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55552585 is a deficient number, since it is larger than the sum of its proper divisors (17344247).

55552585 is a wasteful number, since it uses less digits than its factorization.

55552585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its digits is 250000, while the sum is 40.

The square root of 55552585 is about 7453.3606514109. The cubic root of 55552585 is about 381.5646131887.

The spelling of 55552585 in words is "fifty-five million, five hundred fifty-two thousand, five hundred eighty-five".