53733181903 has 2 divisors, whose sum is σ = 53733181904. Its totient is φ = 53733181902.

The previous prime is 53733181849. The next prime is 53733181921. The reversal of 53733181903 is 30918133735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53733181903 - 2²⁹ = 53196310991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53733181903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53733185903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26866590951 + 26866590952.

It is an arithmetic number, because the mean of its divisors is an integer number (26866590952).

Almost surely, 2^53733181903 is an apocalyptic number.

53733181903 is a deficient number, since it is larger than the sum of its proper divisors (1).

53733181903 is an equidigital number, since it uses as much as digits as its factorization.

53733181903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 53733181903 in words is "fifty-three billion, seven hundred thirty-three million, one hundred eighty-one thousand, nine hundred three".