53872167017 has 4 divisors (see below), whose sum is σ = 57041118036. Its totient is φ = 50703216000.

The previous prime is 53872167001. The next prime is 53872167053. The reversal of 53872167017 is 71076127835.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41573578816 + 12298588201 = 203896^2 + 110899^2 .

It is a cyclic number.

It is not a de Polignac number, because 53872167017 - 2⁴ = 53872167001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53872167067) 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, 1584475484 + ... + 1584475517.

It is an arithmetic number, because the mean of its divisors is an integer number (14260279509).

Almost surely, 2^53872167017 is an apocalyptic number.

It is an amenable number.

53872167017 is a deficient number, since it is larger than the sum of its proper divisors (3168951019).

53872167017 is a wasteful number, since it uses less digits than its factorization.

53872167017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168951018.

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 53872167017 in words is "fifty-three billion, eight hundred seventy-two million, one hundred sixty-seven thousand, seventeen".