53893449 has 12 divisors (see below), whose sum is σ = 78370500. Its totient is φ = 35686944.

The previous prime is 53893447. The next prime is 53893453. The reversal of 53893449 is 94439835.

It is a happy number.

53893449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 50979600 = 1707^2 + 7140^2 .

It is not a de Polignac number, because 53893449 - 2¹ = 53893447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53893447) 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 11 ways as a sum of consecutive naturals, for example, 18754 + ... + 21435.

It is an arithmetic number, because the mean of its divisors is an integer number (6530875).

Almost surely, 2^53893449 is an apocalyptic number.

It is an amenable number.

53893449 is a deficient number, since it is larger than the sum of its proper divisors (24477051).

53893449 is a wasteful number, since it uses less digits than its factorization.

53893449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40344 (or 40341 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 53893449 is about 7341.2157712466. The cubic root of 53893449 is about 377.7275478552.

The spelling of 53893449 in words is "fifty-three million, eight hundred ninety-three thousand, four hundred forty-nine".