55591682328 has 96 divisors (see below), whose sum is σ = 185305629600. Its totient is φ = 14661540864.

The previous prime is 55591682309. The next prime is 55591682329. The reversal of 55591682328 is 82328619555.

It is a happy number.

55591682328 is a `hidden beast` number, since 5 + 5 + 591 + 6 + 8 + 23 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55591682329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4235793 + ... + 4248896.

It is an arithmetic number, because the mean of its divisors is an integer number (1930266975).

Almost surely, 2^55591682328 is an apocalyptic number.

It is an amenable number.

55591682328 is an abundant number, since it is smaller than the sum of its proper divisors (129713947272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55591682328 is a wasteful number, since it uses less digits than its factorization.

55591682328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484721 (or 8484714 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 55591682328 in words is "fifty-five billion, five hundred ninety-one million, six hundred eighty-two thousand, three hundred twenty-eight".