55452932856 has 128 divisors (see below), whose sum is σ = 157236552000. Its totient is φ = 18101551104.

The previous prime is 55452932849. The next prime is 55452932879. The reversal of 55452932856 is 65823925455.

55452932856 is a `hidden beast` number, since 5 + 5 + 4 + 529 + 32 + 85 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6509656 + ... + 6518168.

Almost surely, 2^55452932856 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 55452932856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78618276000).

55452932856 is an abundant number, since it is smaller than the sum of its proper divisors (101783619144).

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

55452932856 is a wasteful number, since it uses less digits than its factorization.

55452932856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150 (or 9140 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 54.

The spelling of 55452932856 in words is "fifty-five billion, four hundred fifty-two million, nine hundred thirty-two thousand, eight hundred fifty-six".