52247732 has 18 divisors (see below), whose sum is σ = 97130502. Its totient is φ = 24586624.

The previous prime is 52247731. The next prime is 52247759. The reversal of 52247732 is 23774225.

It can be written as a sum of positive squares in 3 ways, for example, as 34975396 + 17272336 = 5914^2 + 4156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52247731) 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, 21443 + ... + 23754.

It is an arithmetic number, because the mean of its divisors is an integer number (5396139).

Almost surely, 2^52247732 is an apocalyptic number.

It is an amenable number.

52247732 is a deficient number, since it is larger than the sum of its proper divisors (44882770).

52247732 is a wasteful number, since it uses less digits than its factorization.

52247732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45235 (or 45216 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 52247732 is about 7228.2592648576. The cubic root of 52247732 is about 373.8429092332.

The spelling of 52247732 in words is "fifty-two million, two hundred forty-seven thousand, seven hundred thirty-two".