55555550960 has 160 divisors (see below), whose sum is σ = 160550474112. Its totient is φ = 17408102400.

The previous prime is 55555550959. The next prime is 55555550989. The reversal of 55555550960 is 6905555555.

It is a junction number, because it is equal to n+sod(n) for n = 55555550899 and 55555550908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697502 + ... + 773058.

Almost surely, 2^55555550960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55555550960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80275237056).

55555550960 is an abundant number, since it is smaller than the sum of its proper divisors (104994923152).

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

55555550960 is a wasteful number, since it uses less digits than its factorization.

55555550960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75691 (or 75685 counting only the distinct ones).

The product of its (nonzero) digits is 4218750, while the sum is 50.

The spelling of 55555550960 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty thousand, nine hundred sixty".