52503977 has 2 divisors, whose sum is σ = 52503978. Its totient is φ = 52503976.

The previous prime is 52503967. The next prime is 52503991. The reversal of 52503977 is 77930525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49224256 + 3279721 = 7016^2 + 1811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52503977 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52503977.

It is not a weakly prime, because it can be changed into another prime (52503907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251988 + 26251989.

It is an arithmetic number, because the mean of its divisors is an integer number (26251989).

Almost surely, 2^52503977 is an apocalyptic number.

It is an amenable number.

52503977 is a deficient number, since it is larger than the sum of its proper divisors (1).

52503977 is an equidigital number, since it uses as much as digits as its factorization.

52503977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 52503977 is about 7245.9628069705. The cubic root of 52503977 is about 374.4530741208.

The spelling of 52503977 in words is "fifty-two million, five hundred three thousand, nine hundred seventy-seven".