55505359 has 16 divisors (see below), whose sum is σ = 68640768. Its totient is φ = 43706592.

The previous prime is 55505353. The next prime is 55505377. The reversal of 55505359 is 95350555.

It is a cyclic number.

It is not a de Polignac number, because 55505359 - 2¹¹ = 55503311 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505353) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19314 + ... + 22000.

It is an arithmetic number, because the mean of its divisors is an integer number (4290048).

Almost surely, 2^55505359 is an apocalyptic number.

55505359 is a deficient number, since it is larger than the sum of its proper divisors (13135409).

55505359 is a wasteful number, since it uses less digits than its factorization.

55505359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934.

The product of its (nonzero) digits is 84375, while the sum is 37.

The square root of 55505359 is about 7450.1918767237. The cubic root of 55505359 is about 381.4564581310.

The spelling of 55505359 in words is "fifty-five million, five hundred five thousand, three hundred fifty-nine".