30497277553 has 2 divisors, whose sum is σ = 30497277554. Its totient is φ = 30497277552.

The previous prime is 30497277541. The next prime is 30497277563. The reversal of 30497277553 is 35577279403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29416709169 + 1080568384 = 171513^2 + 32872^2 .

It is an emirp because it is prime and its reverse (35577279403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30497277553 - 2⁵ = 30497277521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30497277553.

It is not a weakly prime, because it can be changed into another prime (30497277523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15248638776 + 15248638777.

It is an arithmetic number, because the mean of its divisors is an integer number (15248638777).

Almost surely, 2^30497277553 is an apocalyptic number.

It is an amenable number.

30497277553 is a deficient number, since it is larger than the sum of its proper divisors (1).

30497277553 is an equidigital number, since it uses as much as digits as its factorization.

30497277553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5556600, while the sum is 52.

The spelling of 30497277553 in words is "thirty billion, four hundred ninety-seven million, two hundred seventy-seven thousand, five hundred fifty-three".