52757849 has 2 divisors, whose sum is σ = 52757850. Its totient is φ = 52757848.

The previous prime is 52757839. The next prime is 52757869. The reversal of 52757849 is 94875725.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49632025 + 3125824 = 7045^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 52757849 - 2⁴ = 52757833 is a prime.

It is a super-2 number, since 2×52757849² = 5566781262213602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52757839) 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 as a sum of consecutive naturals, namely, 26378924 + 26378925.

It is an arithmetic number, because the mean of its divisors is an integer number (26378925).

Almost surely, 2^52757849 is an apocalyptic number.

It is an amenable number.

52757849 is a deficient number, since it is larger than the sum of its proper divisors (1).

52757849 is an equidigital number, since it uses as much as digits as its factorization.

52757849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 47.

The square root of 52757849 is about 7263.4598505120. The cubic root of 52757849 is about 375.0556338200.

The spelling of 52757849 in words is "fifty-two million, seven hundred fifty-seven thousand, eight hundred forty-nine".