55358486 has 4 divisors (see below), whose sum is σ = 83037732. Its totient is φ = 27679242.

The previous prime is 55358453. The next prime is 55358497. The reversal of 55358486 is 68485355.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13839620 + ... + 13839623.

It is an arithmetic number, because the mean of its divisors is an integer number (20759433).

Almost surely, 2^55358486 is an apocalyptic number.

55358486 is a deficient number, since it is larger than the sum of its proper divisors (27679246).

55358486 is a wasteful number, since it uses less digits than its factorization.

55358486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27679245.

The product of its digits is 576000, while the sum is 44.

The square root of 55358486 is about 7440.3283529694. The cubic root of 55358486 is about 381.1197029975.

The spelling of 55358486 in words is "fifty-five million, three hundred fifty-eight thousand, four hundred eighty-six".