53668726297 has 4 divisors (see below), whose sum is σ = 54010565476. Its totient is φ = 53326887120.

The previous prime is 53668726291. The next prime is 53668726301. The reversal of 53668726297 is 79262786635.

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 24909993241 + 28758733056 = 157829^2 + 169584^2 .

It is a cyclic number.

It is not a de Polignac number, because 53668726297 - 2⁷ = 53668726169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53668726291) 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, 170919354 + ... + 170919667.

It is an arithmetic number, because the mean of its divisors is an integer number (13502641369).

Almost surely, 2^53668726297 is an apocalyptic number.

It is an amenable number.

53668726297 is a deficient number, since it is larger than the sum of its proper divisors (341839179).

53668726297 is a wasteful number, since it uses less digits than its factorization.

53668726297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341839178.

The product of its digits is 45722880, while the sum is 61.

The spelling of 53668726297 in words is "fifty-three billion, six hundred sixty-eight million, seven hundred twenty-six thousand, two hundred ninety-seven".