55345120 has 24 divisors (see below), whose sum is σ = 130753224. Its totient is φ = 22137984.

The previous prime is 55345067. The next prime is 55345133. The reversal of 55345120 is 2154355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172794 + ... + 173113.

It is an arithmetic number, because the mean of its divisors is an integer number (5448051).

Almost surely, 2^55345120 is an apocalyptic number.

It is an amenable number.

55345120 is an abundant number, since it is smaller than the sum of its proper divisors (75408104).

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

55345120 is a wasteful number, since it uses less digits than its factorization.

55345120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345922 (or 345914 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55345120 is about 7439.4300856988. The cubic root of 55345120 is about 381.0890274477.

Adding to 55345120 its reverse (2154355), we get a palindrome (57499475).

The spelling of 55345120 in words is "fifty-five million, three hundred forty-five thousand, one hundred twenty".