55130888 has 16 divisors (see below), whose sum is σ = 106164780. Its totient is φ = 26820288.

The previous prime is 55130863. The next prime is 55130893. The reversal of 55130888 is 88803155.

It can be written as a sum of positive squares in 2 ways, for example, as 51811204 + 3319684 = 7198^2 + 1822^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92831 + ... + 93422.

Almost surely, 2^55130888 is an apocalyptic number.

It is an amenable number.

55130888 is a deficient number, since it is larger than the sum of its proper divisors (51033892).

55130888 is a wasteful number, since it uses less digits than its factorization.

55130888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186296 (or 186292 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 55130888 is about 7425.0177104166. The cubic root of 55130888 is about 380.5966803239.

The spelling of 55130888 in words is "fifty-five million, one hundred thirty thousand, eight hundred eighty-eight".