53965249 has 6 divisors (see below), whose sum is σ = 58435926. Its totient is φ = 49813920.

The previous prime is 53965243. The next prime is 53965273. The reversal of 53965249 is 94256935.

It can be written as a sum of positive squares in 3 ways, for example, as 5760000 + 48205249 = 2400^2 + 6943^2 .

It is not a de Polignac number, because 53965249 - 2¹⁵ = 53932481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53965243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159492 + ... + 159829.

It is an arithmetic number, because the mean of its divisors is an integer number (9739321).

Almost surely, 2^53965249 is an apocalyptic number.

It is an amenable number.

53965249 is a deficient number, since it is larger than the sum of its proper divisors (4470677).

53965249 is a wasteful number, since it uses less digits than its factorization.

53965249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319347 (or 319334 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 53965249 is about 7346.1043417583. The cubic root of 53965249 is about 377.8952169835.

The spelling of 53965249 in words is "fifty-three million, nine hundred sixty-five thousand, two hundred forty-nine".