500500055 has 16 divisors (see below), whose sum is σ = 657655200. Its totient is φ = 362636160.

The previous prime is 500500051. The next prime is 500500057. The reversal of 500500055 is 550005005.

It is a happy number.

It is not a de Polignac number, because 500500055 - 2² = 500500051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500500051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120 + ... + 31709.

It is an arithmetic number, because the mean of its divisors is an integer number (41103450).

Almost surely, 2^500500055 is an apocalyptic number.

500500055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

500500055 is a deficient number, since it is larger than the sum of its proper divisors (157155145).

500500055 is a wasteful number, since it uses less digits than its factorization.

500500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34114.

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 500500055 is about 22371.8585504200. The cubic root of 500500055 is about 793.9650337691.

The spelling of 500500055 in words is "five hundred million, five hundred thousand, fifty-five".