53509067 has 4 divisors (see below), whose sum is σ = 54955296. Its totient is φ = 52062840.

The previous prime is 53509019. The next prime is 53509087. The reversal of 53509067 is 76090535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53509067 - 2¹⁴ = 53492683 is a prime.

It is a super-3 number, since 3×53509067³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53509087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723059 + ... + 723132.

It is an arithmetic number, because the mean of its divisors is an integer number (13738824).

Almost surely, 2^53509067 is an apocalyptic number.

53509067 is a deficient number, since it is larger than the sum of its proper divisors (1446229).

53509067 is a wasteful number, since it uses less digits than its factorization.

53509067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446228.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 53509067 is about 7314.9892002654. The cubic root of 53509067 is about 376.8273875773.

The spelling of 53509067 in words is "fifty-three million, five hundred nine thousand, sixty-seven".