55433955836 has 12 divisors (see below), whose sum is σ = 110867911728. Its totient is φ = 23757409632.

The previous prime is 55433955821. The next prime is 55433955881. The reversal of 55433955836 is 63855933455.

55433955836 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989892041 + ... + 989892096.

It is an arithmetic number, because the mean of its divisors is an integer number (9238992644).

Almost surely, 2^55433955836 is an apocalyptic number.

It is an amenable number.

55433955836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55433955836 is a wasteful number, since it uses less digits than its factorization.

55433955836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979784148 (or 1979784146 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 56.

The spelling of 55433955836 in words is "fifty-five billion, four hundred thirty-three million, nine hundred fifty-five thousand, eight hundred thirty-six".