53030305055549 has 4 divisors (see below), whose sum is σ = 53032163123580. Its totient is φ = 53028446987520.

The previous prime is 53030305055543. The next prime is 53030305055551. The reversal of 53030305055549 is 94555050303035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33720168906649 + 19310136148900 = 5806907^2 + 4394330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53030305055549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53030305055543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928991204 + ... + 929048285.

It is an arithmetic number, because the mean of its divisors is an integer number (13258040780895).

Almost surely, 2^{53030305055549} is an apocalyptic number.

It is an amenable number.

53030305055549 is a deficient number, since it is larger than the sum of its proper divisors (1858068031).

53030305055549 is a wasteful number, since it uses less digits than its factorization.

53030305055549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858068030.

The product of its (nonzero) digits is 3037500, while the sum is 47.

The spelling of 53030305055549 in words is "fifty-three trillion, thirty billion, three hundred five million, fifty-five thousand, five hundred forty-nine".