53146166443 has 4 divisors (see below), whose sum is σ = 53152284600. Its totient is φ = 53140048288.

The previous prime is 53146166429. The next prime is 53146166503. The reversal of 53146166443 is 34466164135.

53146166443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-53146166443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53146166443.

It is not an unprimeable number, because it can be changed into a prime (53146166243) 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, 3046030 + ... + 3063427.

It is an arithmetic number, because the mean of its divisors is an integer number (13288071150).

Almost surely, 2^53146166443 is an apocalyptic number.

53146166443 is a deficient number, since it is larger than the sum of its proper divisors (6118157).

53146166443 is an equidigital number, since it uses as much as digits as its factorization.

53146166443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118156.

The product of its digits is 622080, while the sum is 43.

The spelling of 53146166443 in words is "fifty-three billion, one hundred forty-six million, one hundred sixty-six thousand, four hundred forty-three".