52287744 has 72 divisors (see below), whose sum is σ = 140725312. Its totient is φ = 17233920.

The previous prime is 52287721. The next prime is 52287757. The reversal of 52287744 is 44778225.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 78774 + ... + 79434.

Almost surely, 2^52287744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52287744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70362656).

52287744 is an abundant number, since it is smaller than the sum of its proper divisors (88437568).

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

52287744 is a wasteful number, since it uses less digits than its factorization.

52287744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 769 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 52287744 is about 7231.0264831488. The cubic root of 52287744 is about 373.9383161542.

The spelling of 52287744 in words is "fifty-two million, two hundred eighty-seven thousand, seven hundred forty-four".