53408349617 has 8 divisors (see below), whose sum is σ = 61082775936. Its totient is φ = 45745088832.

The previous prime is 53408349601. The next prime is 53408349619. The reversal of 53408349617 is 71694380435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53408349617 - 2⁴ = 53408349601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53408349619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781128 + ... + 2800265.

It is an arithmetic number, because the mean of its divisors is an integer number (7635346992).

Almost surely, 2^53408349617 is an apocalyptic number.

It is an amenable number.

53408349617 is a deficient number, since it is larger than the sum of its proper divisors (7674426319).

53408349617 is a wasteful number, since it uses less digits than its factorization.

53408349617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582767.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 53408349617 in words is "fifty-three billion, four hundred eight million, three hundred forty-nine thousand, six hundred seventeen".