55505010580 has 24 divisors (see below), whose sum is σ = 116578441728. Its totient is φ = 22198591008.

The previous prime is 55505010571. The next prime is 55505010667. The reversal of 55505010580 is 8501050555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77884 + ... + 342163.

It is an arithmetic number, because the mean of its divisors is an integer number (4857435072).

Almost surely, 2^55505010580 is an apocalyptic number.

It is an amenable number.

55505010580 is an abundant number, since it is smaller than the sum of its proper divisors (61073431148).

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

55505010580 is a wasteful number, since it uses less digits than its factorization.

55505010580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426663 (or 426661 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 55505010580 in words is "fifty-five billion, five hundred five million, ten thousand, five hundred eighty".