55765982 has 8 divisors (see below), whose sum is σ = 83754552. Its totient is φ = 27847800.

The previous prime is 55765981. The next prime is 55765991. The reversal of 55765982 is 28956755.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55765981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15569 + ... + 18812.

It is an arithmetic number, because the mean of its divisors is an integer number (10469319).

Almost surely, 2^55765982 is an apocalyptic number.

55765982 is a deficient number, since it is larger than the sum of its proper divisors (27988570).

55765982 is a wasteful number, since it uses less digits than its factorization.

55765982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35194.

The product of its digits is 756000, while the sum is 47.

The square root of 55765982 is about 7467.6624187225. The cubic root of 55765982 is about 382.0525635115.

The spelling of 55765982 in words is "fifty-five million, seven hundred sixty-five thousand, nine hundred eighty-two".