52502749 has 16 divisors (see below), whose sum is σ = 60126192. Its totient is φ = 45416448.

The previous prime is 52502707. The next prime is 52502753. The reversal of 52502749 is 94720525.

52502749 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 8 ways, for example, as 1737124 + 50765625 = 1318^2 + 7125^2 .

It is a cyclic number.

It is not a de Polignac number, because 52502749 - 2⁷ = 52502621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52506749) 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 15 ways as a sum of consecutive naturals, for example, 77677 + ... + 78349.

It is an arithmetic number, because the mean of its divisors is an integer number (3757887).

Almost surely, 2^52502749 is an apocalyptic number.

It is an amenable number.

52502749 is a deficient number, since it is larger than the sum of its proper divisors (7623443).

52502749 is a wasteful number, since it uses less digits than its factorization.

52502749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 52502749 is about 7245.8780696338. The cubic root of 52502749 is about 374.4501547739.

The spelling of 52502749 in words is "fifty-two million, five hundred two thousand, seven hundred forty-nine".