53603543437 has 2 divisors, whose sum is σ = 53603543438. Its totient is φ = 53603543436.

The previous prime is 53603543359. The next prime is 53603543447. The reversal of 53603543437 is 73434530635.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47571535881 + 6032007556 = 218109^2 + 77666^2 .

It is a cyclic number.

It is not a de Polignac number, because 53603543437 - 2³¹ = 51456059789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53603543393 and 53603543402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53603543447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26801771718 + 26801771719.

It is an arithmetic number, because the mean of its divisors is an integer number (26801771719).

Almost surely, 2^53603543437 is an apocalyptic number.

It is an amenable number.

53603543437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53603543437 is an equidigital number, since it uses as much as digits as its factorization.

53603543437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 43.

The spelling of 53603543437 in words is "fifty-three billion, six hundred three million, five hundred forty-three thousand, four hundred thirty-seven".