1553030500447 has 2 divisors, whose sum is σ = 1553030500448. Its totient is φ = 1553030500446.

The previous prime is 1553030500397. The next prime is 1553030500471. The reversal of 1553030500447 is 7440050303551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553030500447 - 2¹¹ = 1553030498399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553030509447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776515250223 + 776515250224.

It is an arithmetic number, because the mean of its divisors is an integer number (776515250224).

Almost surely, 2^{1553030500447} is an apocalyptic number.

1553030500447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553030500447 is an equidigital number, since it uses as much as digits as its factorization.

1553030500447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 37.

Adding to 1553030500447 its reverse (7440050303551), we get a palindrome (8993080803998).

The spelling of 1553030500447 in words is "one trillion, five hundred fifty-three billion, thirty million, five hundred thousand, four hundred forty-seven".