53340861 has 12 divisors (see below), whose sum is σ = 82732992. Its totient is φ = 30480408.

The previous prime is 53340853. The next prime is 53340869. The reversal of 53340861 is 16804335.

It is an interprime number because it is at equal distance from previous prime (53340853) and next prime (53340869).

It is not a de Polignac number, because 53340861 - 2³ = 53340853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53340869) 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 11 ways as a sum of consecutive naturals, for example, 181285 + ... + 181578.

It is an arithmetic number, because the mean of its divisors is an integer number (6894416).

Almost surely, 2^53340861 is an apocalyptic number.

It is an amenable number.

53340861 is a deficient number, since it is larger than the sum of its proper divisors (29392131).

53340861 is a wasteful number, since it uses less digits than its factorization.

53340861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362880 (or 362873 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53340861 is about 7303.4827993225. The cubic root of 53340861 is about 376.4321202331.

The spelling of 53340861 in words is "fifty-three million, three hundred forty thousand, eight hundred sixty-one".