500552661 has 16 divisors (see below), whose sum is σ = 764661888. Its totient is φ = 285312000.

The previous prime is 500552651. The next prime is 500552671. The reversal of 500552661 is 166255005.

It is an interprime number because it is at equal distance from previous prime (500552651) and next prime (500552671).

It is not a de Polignac number, because 500552661 - 2¹⁸ = 500290517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500552651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21300 + ... + 38141.

It is an arithmetic number, because the mean of its divisors is an integer number (47791368).

Almost surely, 2^500552661 is an apocalyptic number.

It is an amenable number.

500552661 is a deficient number, since it is larger than the sum of its proper divisors (264109227).

500552661 is a wasteful number, since it uses less digits than its factorization.

500552661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59852.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 500552661 is about 22373.0342376710. The cubic root of 500552661 is about 793.9928498575.

The spelling of 500552661 in words is "five hundred million, five hundred fifty-two thousand, six hundred sixty-one".