53365249 has 8 divisors (see below), whose sum is σ = 63092160. Its totient is φ = 44164176.

The previous prime is 53365237. The next prime is 53365253. The reversal of 53365249 is 94256335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53365249 - 2⁷ = 53365121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53365219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131239 + ... + 131644.

It is an arithmetic number, because the mean of its divisors is an integer number (7886520).

Almost surely, 2^53365249 is an apocalyptic number.

It is an amenable number.

53365249 is a deficient number, since it is larger than the sum of its proper divisors (9726911).

53365249 is a wasteful number, since it uses less digits than its factorization.

53365249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262919.

The product of its digits is 97200, while the sum is 37.

The square root of 53365249 is about 7305.1522229177. The cubic root of 53365249 is about 376.4894810606.

It can be divided in two parts, 5336 and 5249, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 53365249 in words is "fifty-three million, three hundred sixty-five thousand, two hundred forty-nine".