53676709 has 8 divisors (see below), whose sum is σ = 55611000. Its totient is φ = 51748032.

The previous prime is 53676697. The next prime is 53676713. The reversal of 53676709 is 90767635.

It can be written as a sum of positive squares in 4 ways, for example, as 459684 + 53217025 = 678^2 + 7295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53676709 - 2²³ = 45288101 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 (53676739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31327 + ... + 32995.

It is an arithmetic number, because the mean of its divisors is an integer number (6951375).

Almost surely, 2^53676709 is an apocalyptic number.

It is an amenable number.

53676709 is a deficient number, since it is larger than the sum of its proper divisors (1934291).

53676709 is a wasteful number, since it uses less digits than its factorization.

53676709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 53676709 is about 7326.4390395335. The cubic root of 53676709 is about 377.2205062459.

The spelling of 53676709 in words is "fifty-three million, six hundred seventy-six thousand, seven hundred nine".