55982566 has 8 divisors (see below), whose sum is σ = 84056904. Its totient is φ = 27963600.

The previous prime is 55982539. The next prime is 55982579. The reversal of 55982566 is 66528955.

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

It is a congruent number.

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, 11215 + ... + 15418.

It is an arithmetic number, because the mean of its divisors is an integer number (10507113).

Almost surely, 2^55982566 is an apocalyptic number.

55982566 is a deficient number, since it is larger than the sum of its proper divisors (28074338).

55982566 is a wasteful number, since it uses less digits than its factorization.

55982566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27686.

The product of its digits is 648000, while the sum is 46.

The square root of 55982566 is about 7482.1498247496. The cubic root of 55982566 is about 382.5465300025.

The spelling of 55982566 in words is "fifty-five million, nine hundred eighty-two thousand, five hundred sixty-six".