53751997163 has 16 divisors (see below), whose sum is σ = 54244624896. Its totient is φ = 53262528480.

The previous prime is 53751997093. The next prime is 53751997171. The reversal of 53751997163 is 36179915735.

It is a cyclic number.

It is not a de Polignac number, because 53751997163 - 2¹⁰ = 53751996139 is a prime.

It is a super-2 number, since 2×53751997163² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53751997099 and 53751997108.

It is not an unprimeable number, because it can be changed into a prime (53751996163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64995956 + ... + 64996782.

It is an arithmetic number, because the mean of its divisors is an integer number (3390289056).

Almost surely, 2^53751997163 is an apocalyptic number.

53751997163 is a deficient number, since it is larger than the sum of its proper divisors (492627733).

53751997163 is a wasteful number, since it uses less digits than its factorization.

53751997163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114.

The product of its digits is 5358150, while the sum is 56.

The spelling of 53751997163 in words is "fifty-three billion, seven hundred fifty-one million, nine hundred ninety-seven thousand, one hundred sixty-three".