512055550 has 24 divisors (see below), whose sum is σ = 965844432. Its totient is φ = 201936000.

The previous prime is 512055503. The next prime is 512055563. The reversal of 512055550 is 55550215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68571 + ... + 75670.

It is an arithmetic number, because the mean of its divisors is an integer number (40243518).

Almost surely, 2^512055550 is an apocalyptic number.

512055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

512055550 is a deficient number, since it is larger than the sum of its proper divisors (453788882).

512055550 is a wasteful number, since it uses less digits than its factorization.

512055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144324 (or 144319 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 512055550 is about 22628.6444578547. The cubic root of 512055550 is about 800.0289312454.

The spelling of 512055550 in words is "five hundred twelve million, fifty-five thousand, five hundred fifty".