55546186752 has 660 divisors, whose sum is σ = 196524773280. Its totient is φ = 15578873856.

The previous prime is 55546186667. The next prime is 55546186757. The reversal of 55546186752 is 25768164555.

55546186752 is a `hidden beast` number, since 5 + 55 + 461 + 86 + 7 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (55546186757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 321076138 + ... + 321076310.

It is an arithmetic number, because the mean of its divisors is an integer number (297764808).

Almost surely, 2^55546186752 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 55546186752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98262386640).

55546186752 is an abundant number, since it is smaller than the sum of its proper divisors (140978586528).

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

55546186752 is a wasteful number, since it uses less digits than its factorization.

55546186752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 264 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 54.

The spelling of 55546186752 in words is "fifty-five billion, five hundred forty-six million, one hundred eighty-six thousand, seven hundred fifty-two".