504999956 has 6 divisors (see below), whose sum is σ = 883749930. Its totient is φ = 252499976.

The previous prime is 504999949. The next prime is 504999959. The reversal of 504999956 is 659999405.

It can be written as a sum of positive squares in only one way, i.e., 499075600 + 5924356 = 22340^2 + 2434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504999959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63124991 + ... + 63124998.

It is an arithmetic number, because the mean of its divisors is an integer number (147291655).

Almost surely, 2^504999956 is an apocalyptic number.

It is an amenable number.

504999956 is a deficient number, since it is larger than the sum of its proper divisors (378749974).

504999956 is a wasteful number, since it uses less digits than its factorization.

504999956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126249993 (or 126249991 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 56.

The square root of 504999956 is about 22472.2040752571. The cubic root of 504999956 is about 796.3374010510.

The spelling of 504999956 in words is "five hundred four million, nine hundred ninety-nine thousand, nine hundred fifty-six".