55966440084 has 48 divisors (see below), whose sum is σ = 133904158080. Its totient is φ = 18182684160.

The previous prime is 55966440083. The next prime is 55966440119. The reversal of 55966440084 is 48004466955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55966440083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 453177 + ... + 563295.

It is an arithmetic number, because the mean of its divisors is an integer number (2789669960).

Almost surely, 2^55966440084 is an apocalyptic number.

It is an amenable number.

55966440084 is an abundant number, since it is smaller than the sum of its proper divisors (77937717996).

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

55966440084 is a wasteful number, since it uses less digits than its factorization.

55966440084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111200 (or 111198 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 55966440084 in words is "fifty-five billion, nine hundred sixty-six million, four hundred forty thousand, eighty-four".