505252552802 has 8 divisors (see below), whose sum is σ = 772178429916. Its totient is φ = 247859742832.

The previous prime is 505252552787. The next prime is 505252552807. The reversal of 505252552802 is 208255252505.

It can be written as a sum of positive squares in 2 ways, for example, as 441056702641 + 64195850161 = 664121^2 + 253369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×505252552802² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505252552802.

It is not an unprimeable number, because it can be changed into a prime (505252552807) 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 3 ways as a sum of consecutive naturals, for example, 2383266653 + ... + 2383266864.

Almost surely, 2^505252552802 is an apocalyptic number.

505252552802 is a deficient number, since it is larger than the sum of its proper divisors (266925877114).

505252552802 is a wasteful number, since it uses less digits than its factorization.

505252552802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766533572.

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 505252552802 in words is "five hundred five billion, two hundred fifty-two million, five hundred fifty-two thousand, eight hundred two".