53015502073 has 2 divisors, whose sum is σ = 53015502074. Its totient is φ = 53015502072.

The previous prime is 53015502037. The next prime is 53015502101. The reversal of 53015502073 is 37020551035.

Together with previous prime (53015502037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33427540224 + 19587961849 = 182832^2 + 139957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53015502073 is a prime.

It is not a weakly prime, because it can be changed into another prime (53015502773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26507751036 + 26507751037.

It is an arithmetic number, because the mean of its divisors is an integer number (26507751037).

Almost surely, 2^53015502073 is an apocalyptic number.

It is an amenable number.

53015502073 is a deficient number, since it is larger than the sum of its proper divisors (1).

53015502073 is an equidigital number, since it uses as much as digits as its factorization.

53015502073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

The spelling of 53015502073 in words is "fifty-three billion, fifteen million, five hundred two thousand, seventy-three".