505503699 has 16 divisors (see below), whose sum is σ = 684441600. Its totient is φ = 331808256.

The previous prime is 505503689. The next prime is 505503737. The reversal of 505503699 is 996305505.

It is not a de Polignac number, because 505503699 - 2⁵ = 505503667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505503699.

It is not an unprimeable number, because it can be changed into a prime (505503629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 87987 + ... + 93555.

It is an arithmetic number, because the mean of its divisors is an integer number (42777600).

Almost surely, 2^505503699 is an apocalyptic number.

505503699 is a deficient number, since it is larger than the sum of its proper divisors (178937901).

505503699 is a wasteful number, since it uses less digits than its factorization.

505503699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6034.

The product of its (nonzero) digits is 182250, while the sum is 42.

The square root of 505503699 is about 22483.4094167233. The cubic root of 505503699 is about 796.6020981576.

The spelling of 505503699 in words is "five hundred five million, five hundred three thousand, six hundred ninety-nine".