55984845312 has 720 divisors, whose sum is σ = 190177827840. Its totient is φ = 15814656000.

The previous prime is 55984845283. The next prime is 55984845341. The reversal of 55984845312 is 21354848955.

55984845312 is a `hidden beast` number, since 5 + 598 + 4 + 8 + 45 + 3 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (55984845283) and next prime (55984845341).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 708668889 + ... + 708668967.

It is an arithmetic number, because the mean of its divisors is an integer number (264135872).

Almost surely, 2^55984845312 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 55984845312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95088913920).

55984845312 is an abundant number, since it is smaller than the sum of its proper divisors (134192982528).

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

55984845312 is a wasteful number, since it uses less digits than its factorization.

55984845312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 167 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 55984845312 in words is "fifty-five billion, nine hundred eighty-four million, eight hundred forty-five thousand, three hundred twelve".