55309060 has 12 divisors (see below), whose sum is σ = 116149068. Its totient is φ = 22123616.

The previous prime is 55309039. The next prime is 55309069. The reversal of 55309060 is 6090355.

It is a happy number.

55309060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9096256 + 46212804 = 3016^2 + 6798^2 .

It is not an unprimeable number, because it can be changed into a prime (55309069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382707 + ... + 1382746.

It is an arithmetic number, because the mean of its divisors is an integer number (9679089).

Almost surely, 2^55309060 is an apocalyptic number.

It is an amenable number.

55309060 is an abundant number, since it is smaller than the sum of its proper divisors (60840008).

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

55309060 is a wasteful number, since it uses less digits than its factorization.

55309060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765462 (or 2765460 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 55309060 is about 7437.0061180558. The cubic root of 55309060 is about 381.0062435398.

The spelling of 55309060 in words is "fifty-five million, three hundred nine thousand, sixty".