55303130 has 16 divisors (see below), whose sum is σ = 99631944. Its totient is φ = 22102080.

The previous prime is 55303111. The next prime is 55303133. The reversal of 55303130 is 3130355.

It can be written as a sum of positive squares in 4 ways, for example, as 49098049 + 6205081 = 7007^2 + 2491^2 .

It is not an unprimeable number, because it can be changed into a prime (55303133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17900 + ... + 20760.

Almost surely, 2^55303130 is an apocalyptic number.

55303130 is a deficient number, since it is larger than the sum of its proper divisors (44328814).

55303130 is a wasteful number, since it uses less digits than its factorization.

55303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 55303130 is about 7436.6074254326. The cubic root of 55303130 is about 380.9926264351.

Adding to 55303130 its reverse (3130355), we get a palindrome (58433485).

The spelling of 55303130 in words is "fifty-five million, three hundred three thousand, one hundred thirty".