53861361 has 4 divisors (see below), whose sum is σ = 71815152. Its totient is φ = 35907572.

The previous prime is 53861351. The next prime is 53861407. The reversal of 53861361 is 16316835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53861361 - 2¹¹ = 53859313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53861351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8976891 + ... + 8976896.

It is an arithmetic number, because the mean of its divisors is an integer number (17953788).

Almost surely, 2^53861361 is an apocalyptic number.

It is an amenable number.

53861361 is a deficient number, since it is larger than the sum of its proper divisors (17953791).

53861361 is a wasteful number, since it uses less digits than its factorization.

53861361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17953790.

The product of its digits is 12960, while the sum is 33.

The square root of 53861361 is about 7339.0299767749. The cubic root of 53861361 is about 377.6525670175.

The spelling of 53861361 in words is "fifty-three million, eight hundred sixty-one thousand, three hundred sixty-one".