55755782 has 8 divisors (see below), whose sum is σ = 84374136. Its totient is φ = 27631072.

The previous prime is 55755773. The next prime is 55755787. The reversal of 55755782 is 28755755.

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 (55755787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123128 + ... + 123579.

It is an arithmetic number, because the mean of its divisors is an integer number (10546767).

Almost surely, 2^55755782 is an apocalyptic number.

55755782 is a deficient number, since it is larger than the sum of its proper divisors (28618354).

55755782 is a wasteful number, since it uses less digits than its factorization.

55755782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246822.

The product of its digits is 490000, while the sum is 44.

The square root of 55755782 is about 7466.9794428537. The cubic root of 55755782 is about 382.0292687021.

The spelling of 55755782 in words is "fifty-five million, seven hundred fifty-five thousand, seven hundred eighty-two".