53745561573167 has 4 divisors (see below), whose sum is σ = 56907065195136. Its totient is φ = 50584057951200.

The previous prime is 53745561573083. The next prime is 53745561573199. The reversal of 53745561573167 is 76137516554735.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53745561573167 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 (53745561573467) 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, 1580751810959 + ... + 1580751810992.

It is an arithmetic number, because the mean of its divisors is an integer number (14226766298784).

Almost surely, 2^{53745561573167} is an apocalyptic number.

53745561573167 is a deficient number, since it is larger than the sum of its proper divisors (3161503621969).

53745561573167 is a wasteful number, since it uses less digits than its factorization.

53745561573167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161503621968.

The product of its digits is 277830000, while the sum is 65.

The spelling of 53745561573167 in words is "fifty-three trillion, seven hundred forty-five billion, five hundred sixty-one million, five hundred seventy-three thousand, one hundred sixty-seven".