53015502773 has 2 divisors, whose sum is σ = 53015502774. Its totient is φ = 53015502772.

The previous prime is 53015502697. The next prime is 53015502809. The reversal of 53015502773 is 37720551035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38705840644 + 14309662129 = 196738^2 + 119623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53015502773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53015502073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26507751386 + 26507751387.

It is an arithmetic number, because the mean of its divisors is an integer number (26507751387).

Almost surely, 2^53015502773 is an apocalyptic number.

It is an amenable number.

53015502773 is a deficient number, since it is larger than the sum of its proper divisors (1).

53015502773 is an equidigital number, since it uses as much as digits as its factorization.

53015502773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 38.

The spelling of 53015502773 in words is "fifty-three billion, fifteen million, five hundred two thousand, seven hundred seventy-three".