52863649 has 6 divisors (see below), whose sum is σ = 54624930. Its totient is φ = 51157440.

The previous prime is 52863647. The next prime is 52863653. The reversal of 52863649 is 94636825.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 2907025 = 7068^2 + 1705^2 .

It is not a de Polignac number, because 52863649 - 2¹ = 52863647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52863647) 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 5 ways as a sum of consecutive naturals, for example, 26544 + ... + 28465.

It is an arithmetic number, because the mean of its divisors is an integer number (9104155).

Almost surely, 2^52863649 is an apocalyptic number.

It is an amenable number.

52863649 is a deficient number, since it is larger than the sum of its proper divisors (1761281).

52863649 is an equidigital number, since it uses as much as digits as its factorization.

52863649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55071 (or 55040 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 52863649 is about 7270.7392333930. The cubic root of 52863649 is about 375.3061772059.

The spelling of 52863649 in words is "fifty-two million, eight hundred sixty-three thousand, six hundred forty-nine".