52732340 has 12 divisors (see below), whose sum is σ = 110737956. Its totient is φ = 21092928.

The previous prime is 52732331. The next prime is 52732357. The reversal of 52732340 is 4323725.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 19254544 = 5786^2 + 4388^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1318289 + ... + 1318328.

It is an arithmetic number, because the mean of its divisors is an integer number (9228163).

Almost surely, 2^52732340 is an apocalyptic number.

It is an amenable number.

52732340 is an abundant number, since it is smaller than the sum of its proper divisors (58005616).

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

52732340 is a wasteful number, since it uses less digits than its factorization.

52732340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636626 (or 2636624 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 52732340 is about 7261.7036568563. The cubic root of 52732340 is about 374.9951762342.

The spelling of 52732340 in words is "fifty-two million, seven hundred thirty-two thousand, three hundred forty".