53516435565253 has 2 divisors, whose sum is σ = 53516435565254. Its totient is φ = 53516435565252.

The previous prime is 53516435565181. The next prime is 53516435565287. The reversal of 53516435565253 is 35256553461535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49610286510849 + 3906149054404 = 7043457^2 + 1976398^2 .

It is a cyclic number.

It is not a de Polignac number, because 53516435565253 - 2³⁷ = 53378996611781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53516435565053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758217782626 + 26758217782627.

It is an arithmetic number, because the mean of its divisors is an integer number (26758217782627).

Almost surely, 2^{53516435565253} is an apocalyptic number.

It is an amenable number.

53516435565253 is a deficient number, since it is larger than the sum of its proper divisors (1).

53516435565253 is an equidigital number, since it uses as much as digits as its factorization.

53516435565253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500000, while the sum is 58.

The spelling of 53516435565253 in words is "fifty-three trillion, five hundred sixteen billion, four hundred thirty-five million, five hundred sixty-five thousand, two hundred fifty-three".