500055531 has 4 divisors (see below), whose sum is σ = 666740712. Its totient is φ = 333370352.

The previous prime is 500055499. The next prime is 500055539. The reversal of 500055531 is 135550005.

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

It is a cyclic number.

It is not a de Polignac number, because 500055531 - 2⁵ = 500055499 is a prime.

It is a super-2 number, since 2×500055531² = 500111068167383922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (500055539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83342586 + ... + 83342591.

It is an arithmetic number, because the mean of its divisors is an integer number (166685178).

Almost surely, 2^500055531 is an apocalyptic number.

500055531 is a deficient number, since it is larger than the sum of its proper divisors (166685181).

500055531 is a wasteful number, since it uses less digits than its factorization.

500055531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166685180.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 500055531 is about 22361.9214514317. The cubic root of 500055531 is about 793.7299082190.

The spelling of 500055531 in words is "five hundred million, fifty-five thousand, five hundred thirty-one".