53264749 has 4 divisors (see below), whose sum is σ = 53285500. Its totient is φ = 53244000.

The previous prime is 53264747. The next prime is 53264753. The reversal of 53264749 is 94746235.

It is a happy number.

53264749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94746235 = 5 ⋅18949247.

It can be written as a sum of positive squares in 2 ways, for example, as 13801225 + 39463524 = 3715^2 + 6282^2 .

It is a cyclic number.

It is not a de Polignac number, because 53264749 - 2¹ = 53264747 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 (53264747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5874 + ... + 11875.

It is an arithmetic number, because the mean of its divisors is an integer number (13321375).

Almost surely, 2^53264749 is an apocalyptic number.

It is an amenable number.

53264749 is a deficient number, since it is larger than the sum of its proper divisors (20751).

53264749 is a wasteful number, since it uses less digits than its factorization.

53264749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20750.

The product of its digits is 181440, while the sum is 40.

The square root of 53264749 is about 7298.2702745240. The cubic root of 53264749 is about 376.2529915179.

The spelling of 53264749 in words is "fifty-three million, two hundred sixty-four thousand, seven hundred forty-nine".