53349248659249 has 3 divisors (see below), whose sum is σ = 53349255963307. Its totient is φ = 53349241355192.

The previous prime is 53349248659207. The next prime is 53349248659271. The reversal of 53349248659249 is 94295684294335.

The square root of 53349248659249 is 7304057.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4250751210225 + 49098497449024 = 2061735^2 + 7007032^2 .

It is not a de Polignac number, because 53349248659249 - 2⁹ = 53349248658737 is a prime.

It is a super-2 number, since 2×53349248659249² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53349248659849) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3652029 + ... + 10956085.

Almost surely, 2^{53349248659249} is an apocalyptic number.

53349248659249 is the 7304057-th square number.

53349248659249 is the 3652029-th centered octagonal number.

It is an amenable number.

53349248659249 is a deficient number, since it is larger than the sum of its proper divisors (7304058).

53349248659249 is an frugal number, since it uses more digits than its factorization.

53349248659249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608114 (or 7304057 counting only the distinct ones).

The product of its digits is 2015539200, while the sum is 73.

The spelling of 53349248659249 in words is "fifty-three trillion, three hundred forty-nine billion, two hundred forty-eight million, six hundred fifty-nine thousand, two hundred forty-nine".