55045053232 has 80 divisors (see below), whose sum is σ = 120792268800. Its totient is φ = 24109214976.

The previous prime is 55045053229. The next prime is 55045053233. The reversal of 55045053232 is 23235054055.

It is not an unprimeable number, because it can be changed into a prime (55045053233) 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 15 ways as a sum of consecutive naturals, for example, 562269 + ... + 652867.

It is an arithmetic number, because the mean of its divisors is an integer number (1509903360).

Almost surely, 2^55045053232 is an apocalyptic number.

55045053232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55045053232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60396134400).

55045053232 is an abundant number, since it is smaller than the sum of its proper divisors (65747215568).

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

55045053232 is a wasteful number, since it uses less digits than its factorization.

55045053232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90770 (or 90764 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 55045053232 in words is "fifty-five billion, forty-five million, fifty-three thousand, two hundred thirty-two".