53249256 has 48 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 17694240.

The previous prime is 53249237. The next prime is 53249257. The reversal of 53249256 is 65294235.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53249256.

It is not an unprimeable number, because it can be changed into a prime (53249257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26611 + ... + 28541.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^53249256 is an apocalyptic number.

It is an amenable number.

53249256 is an abundant number, since it is smaller than the sum of its proper divisors (91418904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53249256 is a wasteful number, since it uses less digits than its factorization.

53249256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326 (or 2319 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 53249256 is about 7297.2087814451. The cubic root of 53249256 is about 376.2165080212.

The spelling of 53249256 in words is "fifty-three million, two hundred forty-nine thousand, two hundred fifty-six".