502500055 has 4 divisors (see below), whose sum is σ = 603000072. Its totient is φ = 402000040.

The previous prime is 502500041. The next prime is 502500091. The reversal of 502500055 is 550005205.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 502500055 - 2¹³ = 502491863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 502499999 and 502500035.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50250001 + ... + 50250010.

It is an arithmetic number, because the mean of its divisors is an integer number (150750018).

Almost surely, 2^502500055 is an apocalyptic number.

502500055 is a deficient number, since it is larger than the sum of its proper divisors (100500017).

502500055 is a wasteful number, since it uses less digits than its factorization.

502500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500016.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 502500055 is about 22416.5129982341. The cubic root of 502500055 is about 795.0211905800.

The spelling of 502500055 in words is "five hundred two million, five hundred thousand, fifty-five".