55045047552 has 288 divisors, whose sum is σ = 167382996480. Its totient is φ = 15905218560.

The previous prime is 55045047539. The next prime is 55045047583. The reversal of 55045047552 is 25574054055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20332983 + ... + 20335689.

It is an arithmetic number, because the mean of its divisors is an integer number (581190960).

Almost surely, 2^55045047552 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 55045047552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83691498240).

55045047552 is an abundant number, since it is smaller than the sum of its proper divisors (112337948928).

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

55045047552 is a wasteful number, since it uses less digits than its factorization.

55045047552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 700000, while the sum is 42.

The spelling of 55045047552 in words is "fifty-five billion, forty-five million, forty-seven thousand, five hundred fifty-two".