55512751608 has 96 divisors (see below), whose sum is σ = 156976878240. Its totient is φ = 17689224960.

The previous prime is 55512751607. The next prime is 55512751621. The reversal of 55512751608 is 80615721555.

55512751608 is a `hidden beast` number, since 5 + 5 + 5 + 127 + 516 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512751607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3072810 + ... + 3090822.

It is an arithmetic number, because the mean of its divisors is an integer number (1635175815).

Almost surely, 2^55512751608 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 55512751608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78488439120).

55512751608 is an abundant number, since it is smaller than the sum of its proper divisors (101464126632).

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

55512751608 is a wasteful number, since it uses less digits than its factorization.

55512751608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19909 (or 19902 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 45.

The spelling of 55512751608 in words is "fifty-five billion, five hundred twelve million, seven hundred fifty-one thousand, six hundred eight".