53859161 has 4 divisors (see below), whose sum is σ = 55314852. Its totient is φ = 52403472.

The previous prime is 53859149. The next prime is 53859163. The reversal of 53859161 is 16195835.

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 49632025 + 4227136 = 7045^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 53859161 - 2¹⁰ = 53858137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53859163) 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, 727790 + ... + 727863.

It is an arithmetic number, because the mean of its divisors is an integer number (13828713).

Almost surely, 2^53859161 is an apocalyptic number.

It is an amenable number.

53859161 is a deficient number, since it is larger than the sum of its proper divisors (1455691).

53859161 is a wasteful number, since it uses less digits than its factorization.

53859161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455690.

The product of its digits is 32400, while the sum is 38.

The square root of 53859161 is about 7338.8800916761. The cubic root of 53859161 is about 377.6474251313.

The spelling of 53859161 in words is "fifty-three million, eight hundred fifty-nine thousand, one hundred sixty-one".