55939286 has 8 divisors (see below), whose sum is σ = 90363504. Its totient is φ = 25818120.

The previous prime is 55939271. The next prime is 55939291. The reversal of 55939286 is 68293955.

55939286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55939286.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1075730 + ... + 1075781.

It is an arithmetic number, because the mean of its divisors is an integer number (11295438).

Almost surely, 2^55939286 is an apocalyptic number.

55939286 is a deficient number, since it is larger than the sum of its proper divisors (34424218).

55939286 is a wasteful number, since it uses less digits than its factorization.

55939286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151526.

The product of its digits is 583200, while the sum is 47.

The square root of 55939286 is about 7479.2570486647. The cubic root of 55939286 is about 382.4479226236.

The spelling of 55939286 in words is "fifty-five million, nine hundred thirty-nine thousand, two hundred eighty-six".