55120545430 has 16 divisors (see below), whose sum is σ = 99367095024. Its totient is φ = 22014859680.

The previous prime is 55120545401. The next prime is 55120545437. The reversal of 55120545430 is 3454502155.

55120545430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55120545437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162872 + ... + 4176091.

It is an arithmetic number, because the mean of its divisors is an integer number (6210443439).

Almost surely, 2^55120545430 is an apocalyptic number.

55120545430 is a deficient number, since it is larger than the sum of its proper divisors (44246549594).

55120545430 is a wasteful number, since it uses less digits than its factorization.

55120545430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339631.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 55120545430 in words is "fifty-five billion, one hundred twenty million, five hundred forty-five thousand, four hundred thirty".