55540085 has 8 divisors (see below), whose sum is σ = 66802560. Its totient is φ = 44329104.

The previous prime is 55540061. The next prime is 55540103. The reversal of 55540085 is 58004555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55540085 - 2¹⁰ = 55539061 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10457 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (8350320).

Almost surely, 2^55540085 is an apocalyptic number.

It is an amenable number.

55540085 is a deficient number, since it is larger than the sum of its proper divisors (11262475).

55540085 is a wasteful number, since it uses less digits than its factorization.

55540085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 55540085 is about 7452.5220563243. The cubic root of 55540085 is about 381.5359921657.

The spelling of 55540085 in words is "fifty-five million, five hundred forty thousand, eighty-five".