55059986 has 8 divisors (see below), whose sum is σ = 86936880. Its totient is φ = 26081028.

The previous prime is 55059973. The next prime is 55060021. The reversal of 55059986 is 68995055.

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 55059986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724436 + ... + 724511.

It is an arithmetic number, because the mean of its divisors is an integer number (10867110).

Almost surely, 2^55059986 is an apocalyptic number.

55059986 is a deficient number, since it is larger than the sum of its proper divisors (31876894).

55059986 is a wasteful number, since it uses less digits than its factorization.

55059986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448968.

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 55059986 is about 7420.2416402702. The cubic root of 55059986 is about 380.4334527560.

The spelling of 55059986 in words is "fifty-five million, fifty-nine thousand, nine hundred eighty-six".