55453120332 has 12 divisors (see below), whose sum is σ = 129390614136. Its totient is φ = 18484373440.

The previous prime is 55453120321. The next prime is 55453120337. The reversal of 55453120332 is 23302135455.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 55453120293 and 55453120302.

It is not an unprimeable number, because it can be changed into a prime (55453120337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310546669 + ... + 2310546692.

It is an arithmetic number, because the mean of its divisors is an integer number (10782551178).

Almost surely, 2^55453120332 is an apocalyptic number.

It is an amenable number.

55453120332 is an abundant number, since it is smaller than the sum of its proper divisors (73937493804).

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

55453120332 is a wasteful number, since it uses less digits than its factorization.

55453120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621093368 (or 4621093366 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55453120332 its reverse (23302135455), we get a palindrome (78755255787).

The spelling of 55453120332 in words is "fifty-five billion, four hundred fifty-three million, one hundred twenty thousand, three hundred thirty-two".