53296509 has 16 divisors (see below), whose sum is σ = 81429120. Its totient is φ = 30374400.

The previous prime is 53296489. The next prime is 53296511. The reversal of 53296509 is 90569235.

It is not a de Polignac number, because 53296509 - 2⁸ = 53296253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53296549) 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 15 ways as a sum of consecutive naturals, for example, 5257 + ... + 11585.

It is an arithmetic number, because the mean of its divisors is an integer number (5089320).

Almost surely, 2^53296509 is an apocalyptic number.

It is an amenable number.

53296509 is a deficient number, since it is larger than the sum of its proper divisors (28132611).

53296509 is a wasteful number, since it uses less digits than its factorization.

53296509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 53296509 is about 7300.4458083051. The cubic root of 53296509 is about 376.3277590451.

The spelling of 53296509 in words is "fifty-three million, two hundred ninety-six thousand, five hundred nine".