130555550 has 12 divisors (see below), whose sum is σ = 242833416. Its totient is φ = 52222200.

The previous prime is 130555549. The next prime is 130555561. The reversal of 130555550 is 55555031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1305506 + ... + 1305605.

It is an arithmetic number, because the mean of its divisors is an integer number (20236118).

Almost surely, 2^130555550 is an apocalyptic number.

130555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130555550 is a deficient number, since it is larger than the sum of its proper divisors (112277866).

130555550 is a wasteful number, since it uses less digits than its factorization.

130555550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611123 (or 2611118 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 29.

The square root of 130555550 is about 11426.0907575601. The cubic root of 130555550 is about 507.3002927012.

The spelling of 130555550 in words is "one hundred thirty million, five hundred fifty-five thousand, five hundred fifty".