53661346126117 has 4 divisors (see below), whose sum is σ = 53663580270880. Its totient is φ = 53659111981356.

The previous prime is 53661346126099. The next prime is 53661346126177. The reversal of 53661346126117 is 71162164316635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53661346126117 - 2³⁵ = 53626986387749 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 (53661346126177) 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, 1117036353 + ... + 1117084390.

It is an arithmetic number, because the mean of its divisors is an integer number (13415895067720).

Almost surely, 2^{53661346126117} is an apocalyptic number.

It is an amenable number.

53661346126117 is a deficient number, since it is larger than the sum of its proper divisors (2234144763).

53661346126117 is a wasteful number, since it uses less digits than its factorization.

53661346126117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234144762.

The product of its digits is 3265920, while the sum is 52.

The spelling of 53661346126117 in words is "fifty-three trillion, six hundred sixty-one billion, three hundred forty-six million, one hundred twenty-six thousand, one hundred seventeen".