53663236100561 has 8 divisors (see below), whose sum is σ = 54807087680640. Its totient is φ = 52519471212208.

The previous prime is 53663236100557. The next prime is 53663236100641. The reversal of 53663236100561 is 16500163236635.

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 53663236100561 - 2² = 53663236100557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53663236100501) 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, 20420951 + ... + 22898508.

It is an arithmetic number, because the mean of its divisors is an integer number (6850885960080).

Almost surely, 2^{53663236100561} is an apocalyptic number.

It is an amenable number.

53663236100561 is a deficient number, since it is larger than the sum of its proper divisors (1143851580079).

53663236100561 is a wasteful number, since it uses less digits than its factorization.

53663236100561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43345863.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 53663236100561 in words is "fifty-three trillion, six hundred sixty-three billion, two hundred thirty-six million, one hundred thousand, five hundred sixty-one".