55971433608 has 16 divisors (see below), whose sum is σ = 139928584080. Its totient is φ = 18657144528.

The previous prime is 55971433589. The next prime is 55971433667. The reversal of 55971433608 is 80633417955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166071510 + ... + 1166071557.

It is an arithmetic number, because the mean of its divisors is an integer number (8745536505).

Almost surely, 2^55971433608 is an apocalyptic number.

It is an amenable number.

55971433608 is an abundant number, since it is smaller than the sum of its proper divisors (83957150472).

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

55971433608 is a wasteful number, since it uses less digits than its factorization.

55971433608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332143076 (or 2332143072 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 55971433608 in words is "fifty-five billion, nine hundred seventy-one million, four hundred thirty-three thousand, six hundred eight".