130005550 has 24 divisors (see below), whose sum is σ = 250151400. Its totient is φ = 50208480.

The previous prime is 130005541. The next prime is 130005553. The reversal of 130005550 is 55500031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130005553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43380 + ... + 46279.

It is an arithmetic number, because the mean of its divisors is an integer number (10422975).

Almost surely, 2^130005550 is an apocalyptic number.

130005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130005550 is a deficient number, since it is larger than the sum of its proper divisors (120145850).

130005550 is a wasteful number, since it uses less digits than its factorization.

130005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89700 (or 89695 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 130005550 is about 11401.9976319941. The cubic root of 130005550 is about 506.5869108263.

Adding to 130005550 its reverse (55500031), we get a palindrome (185505581).

The spelling of 130005550 in words is "one hundred thirty million, five thousand, five hundred fifty".