53532709 has 4 divisors (see below), whose sum is σ = 56350240. Its totient is φ = 50715180.

The previous prime is 53532701. The next prime is 53532719. The reversal of 53532709 is 90723535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53532709 - 2³ = 53532701 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 (53532701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408737 + ... + 1408774.

It is an arithmetic number, because the mean of its divisors is an integer number (14087560).

Almost surely, 2^53532709 is an apocalyptic number.

It is an amenable number.

53532709 is a deficient number, since it is larger than the sum of its proper divisors (2817531).

53532709 is a wasteful number, since it uses less digits than its factorization.

53532709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817530.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 53532709 is about 7316.6050187228. The cubic root of 53532709 is about 376.8828774961.

The spelling of 53532709 in words is "fifty-three million, five hundred thirty-two thousand, seven hundred nine".