53521704267631 has 2 divisors, whose sum is σ = 53521704267632. Its totient is φ = 53521704267630.

The previous prime is 53521704267569. The next prime is 53521704267637. The reversal of 53521704267631 is 13676240712535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53521704267631 - 2⁷ = 53521704267503 is a prime.

It is a super-2 number, since 2×53521704267631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53521704267637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760852133815 + 26760852133816.

It is an arithmetic number, because the mean of its divisors is an integer number (26760852133816).

Almost surely, 2^{53521704267631} is an apocalyptic number.

53521704267631 is a deficient number, since it is larger than the sum of its proper divisors (1).

53521704267631 is an equidigital number, since it uses as much as digits as its factorization.

53521704267631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 53521704267631 in words is "fifty-three trillion, five hundred twenty-one billion, seven hundred four million, two hundred sixty-seven thousand, six hundred thirty-one".