53591236403 has 2 divisors, whose sum is σ = 53591236404. Its totient is φ = 53591236402.

The previous prime is 53591236379. The next prime is 53591236423. The reversal of 53591236403 is 30463219535.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53591236403 is a prime.

It is not a weakly prime, because it can be changed into another prime (53591236423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26795618201 + 26795618202.

It is an arithmetic number, because the mean of its divisors is an integer number (26795618202).

Almost surely, 2^53591236403 is an apocalyptic number.

53591236403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53591236403 is an equidigital number, since it uses as much as digits as its factorization.

53591236403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 53591236403 in words is "fifty-three billion, five hundred ninety-one million, two hundred thirty-six thousand, four hundred three".