55440333630 has 64 divisors (see below), whose sum is σ = 161280979200. Its totient is φ = 13440080160.

The previous prime is 55440333593. The next prime is 55440333661. The reversal of 55440333630 is 3633304455.

55440333630 is a `hidden beast` number, since 554 + 40 + 3 + 3 + 3 + 63 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9330420 + ... + 9336359.

It is an arithmetic number, because the mean of its divisors is an integer number (2520015300).

Almost surely, 2^55440333630 is an apocalyptic number.

55440333630 is an abundant number, since it is smaller than the sum of its proper divisors (105840645570).

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

55440333630 is a wasteful number, since it uses less digits than its factorization.

55440333630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18666806 (or 18666800 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The spelling of 55440333630 in words is "fifty-five billion, four hundred forty million, three hundred thirty-three thousand, six hundred thirty".