53897276666193 has 8 divisors (see below), whose sum is σ = 72847460699808. Its totient is φ = 35439305205024.

The previous prime is 53897276666087. The next prime is 53897276666201. The reversal of 53897276666193 is 39166667279835.

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

It is not a de Polignac number, because 53897276666193 - 2⁸ = 53897276665937 is a prime.

It is a super-4 number, since 4×53897276666193⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (53897276666393) 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, 123053142855 + ... + 123053143292.

It is an arithmetic number, because the mean of its divisors is an integer number (9105932587476).

Almost surely, 2^{53897276666193} is an apocalyptic number.

It is an amenable number.

53897276666193 is a deficient number, since it is larger than the sum of its proper divisors (18950184033615).

53897276666193 is a wasteful number, since it uses less digits than its factorization.

53897276666193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246106286223.

The product of its digits is 3703553280, while the sum is 78.

The spelling of 53897276666193 in words is "fifty-three trillion, eight hundred ninety-seven billion, two hundred seventy-six million, six hundred sixty-six thousand, one hundred ninety-three".