55510443126 has 32 divisors (see below), whose sum is σ = 125981153280. Its totient is φ = 18109789128.

The previous prime is 55510443083. The next prime is 55510443133. The reversal of 55510443126 is 62134401555.

55510443126 is a `hidden beast` number, since 55 + 510 + 44 + 31 + 26 = 666.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 10933326 + ... + 10938401.

It is an arithmetic number, because the mean of its divisors is an integer number (3936911040).

Almost surely, 2^55510443126 is an apocalyptic number.

55510443126 is an abundant number, since it is smaller than the sum of its proper divisors (70470710154).

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

55510443126 is a wasteful number, since it uses less digits than its factorization.

55510443126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871785 (or 21871779 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 55510443126 in words is "fifty-five billion, five hundred ten million, four hundred forty-three thousand, one hundred twenty-six".