55120930548 has 12 divisors (see below), whose sum is σ = 128615504640. Its totient is φ = 18373643512.

The previous prime is 55120930517. The next prime is 55120930549. The reversal of 55120930548 is 84503902155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55120930549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296705428 + ... + 2296705451.

It is an arithmetic number, because the mean of its divisors is an integer number (10717958720).

Almost surely, 2^55120930548 is an apocalyptic number.

It is an amenable number.

55120930548 is an abundant number, since it is smaller than the sum of its proper divisors (73494574092).

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

55120930548 is a wasteful number, since it uses less digits than its factorization.

55120930548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593410886 (or 4593410884 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 55120930548 in words is "fifty-five billion, one hundred twenty million, nine hundred thirty thousand, five hundred forty-eight".