53366849 has 4 divisors (see below), whose sum is σ = 53839236. Its totient is φ = 52894464.

The previous prime is 53366809. The next prime is 53366861. The reversal of 53366849 is 94866335.

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 2458624 + 50908225 = 1568^2 + 7135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53366849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53366809) 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, 236024 + ... + 236249.

It is an arithmetic number, because the mean of its divisors is an integer number (13459809).

Almost surely, 2^53366849 is an apocalyptic number.

It is an amenable number.

53366849 is a deficient number, since it is larger than the sum of its proper divisors (472387).

53366849 is a wasteful number, since it uses less digits than its factorization.

53366849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472386.

The product of its digits is 466560, while the sum is 44.

The square root of 53366849 is about 7305.2617338464. The cubic root of 53366849 is about 376.4932436662.

The spelling of 53366849 in words is "fifty-three million, three hundred sixty-six thousand, eight hundred forty-nine".