55505486 has 32 divisors (see below), whose sum is σ = 89565696. Its totient is φ = 25740000.

The previous prime is 55505419. The next prime is 55505491. The reversal of 55505486 is 68450555.

It is a Curzon number.

It is a congruent 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, 367511 + ... + 367661.

It is an arithmetic number, because the mean of its divisors is an integer number (2798928).

Almost surely, 2^55505486 is an apocalyptic number.

55505486 is a deficient number, since it is larger than the sum of its proper divisors (34060210).

55505486 is a wasteful number, since it uses less digits than its factorization.

55505486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 55505486 is about 7450.2003999893. The cubic root of 55505486 is about 381.4567490634.

The spelling of 55505486 in words is "fifty-five million, five hundred five thousand, four hundred eighty-six".