53460309 has 32 divisors (see below), whose sum is σ = 84603904. Its totient is φ = 29393280.

The previous prime is 53460299. The next prime is 53460353. The reversal of 53460309 is 90306435.

It is a happy number.

It is not a de Polignac number, because 53460309 - 2⁷ = 53460181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53460109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65514 + ... + 66324.

It is an arithmetic number, because the mean of its divisors is an integer number (2643872).

Almost surely, 2^53460309 is an apocalyptic number.

It is an amenable number.

53460309 is a deficient number, since it is larger than the sum of its proper divisors (31143595).

53460309 is a wasteful number, since it uses less digits than its factorization.

53460309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 53460309 is about 7311.6556948478. The cubic root of 53460309 is about 376.7128964934.

The spelling of 53460309 in words is "fifty-three million, four hundred sixty thousand, three hundred nine".