505050053 has 2 divisors, whose sum is σ = 505050054. Its totient is φ = 505050052.

The previous prime is 505050043. The next prime is 505050067. The reversal of 505050053 is 350050505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468592609 + 36457444 = 21647^2 + 6038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505050053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505050043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252525026 + 252525027.

It is an arithmetic number, because the mean of its divisors is an integer number (252525027).

Almost surely, 2^505050053 is an apocalyptic number.

It is an amenable number.

505050053 is a deficient number, since it is larger than the sum of its proper divisors (1).

505050053 is an equidigital number, since it uses as much as digits as its factorization.

505050053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 505050053 is about 22473.3186912837. The cubic root of 505050053 is about 796.3637329316.

The spelling of 505050053 in words is "five hundred five million, fifty thousand, fifty-three".