52732945 has 16 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 41399424.

The previous prime is 52732943. The next prime is 52732949. The reversal of 52732945 is 54923725.

It is a 3-Lehmer number, since φ(52732945) divides (52732945-1)³.

It is a cyclic number.

It is not a de Polignac number, because 52732945 - 2¹ = 52732943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52732943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72172 + ... + 72898.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^52732945 is an apocalyptic number.

It is an amenable number.

52732945 is a deficient number, since it is larger than the sum of its proper divisors (11738735).

52732945 is a wasteful number, since it uses less digits than its factorization.

52732945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its digits is 75600, while the sum is 37.

The square root of 52732945 is about 7261.7453136281. The cubic root of 52732945 is about 374.9966103397.

The spelling of 52732945 in words is "fifty-two million, seven hundred thirty-two thousand, nine hundred forty-five".