53211503537 has 2 divisors, whose sum is σ = 53211503538. Its totient is φ = 53211503536.

The previous prime is 53211503533. The next prime is 53211503563. The reversal of 53211503537 is 73530511235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44382270241 + 8829233296 = 210671^2 + 93964^2 .

It is a cyclic number.

It is not a de Polignac number, because 53211503537 - 2² = 53211503533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53211503497 and 53211503506.

It is not a weakly prime, because it can be changed into another prime (53211503533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605751768 + 26605751769.

It is an arithmetic number, because the mean of its divisors is an integer number (26605751769).

Almost surely, 2^53211503537 is an apocalyptic number.

It is an amenable number.

53211503537 is a deficient number, since it is larger than the sum of its proper divisors (1).

53211503537 is an equidigital number, since it uses as much as digits as its factorization.

53211503537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 35.

The spelling of 53211503537 in words is "fifty-three billion, two hundred eleven million, five hundred three thousand, five hundred thirty-seven".