53163684287 has 4 divisors (see below), whose sum is σ = 60758496336. Its totient is φ = 45568872240.

The previous prime is 53163684283. The next prime is 53163684319. The reversal of 53163684287 is 78248636135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53163684287 - 2² = 53163684283 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 (53163684283) 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, 3797406014 + ... + 3797406027.

It is an arithmetic number, because the mean of its divisors is an integer number (15189624084).

Almost surely, 2^53163684287 is an apocalyptic number.

53163684287 is a deficient number, since it is larger than the sum of its proper divisors (7594812049).

53163684287 is an equidigital number, since it uses as much as digits as its factorization.

53163684287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594812048.

The product of its digits is 5806080, while the sum is 53.

The spelling of 53163684287 in words is "fifty-three billion, one hundred sixty-three million, six hundred eighty-four thousand, two hundred eighty-seven".