52752649 has 8 divisors (see below), whose sum is σ = 56910600. Its totient is φ = 48711936.

The previous prime is 52752643. The next prime is 52752671. The reversal of 52752649 is 94625725.

It can be written as a sum of positive squares in 4 ways, for example, as 16752649 + 36000000 = 4093^2 + 6000^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52752649 - 2³ = 52752641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52752641) 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 7 ways as a sum of consecutive naturals, for example, 28374 + ... + 30175.

It is an arithmetic number, because the mean of its divisors is an integer number (7113825).

Almost surely, 2^52752649 is an apocalyptic number.

It is an amenable number.

52752649 is a deficient number, since it is larger than the sum of its proper divisors (4157951).

52752649 is a wasteful number, since it uses less digits than its factorization.

52752649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58619.

The product of its digits is 151200, while the sum is 40.

The square root of 52752649 is about 7263.1018855583. The cubic root of 52752649 is about 375.0433111457.

The spelling of 52752649 in words is "fifty-two million, seven hundred fifty-two thousand, six hundred forty-nine".