53449685 has 8 divisors (see below), whose sum is σ = 64190880. Its totient is φ = 42725584.

The previous prime is 53449681. The next prime is 53449709. The reversal of 53449685 is 58694435.

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 53449685 - 2² = 53449681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53449681) 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, 4106 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (8023860).

Almost surely, 2^53449685 is an apocalyptic number.

It is an amenable number.

53449685 is a deficient number, since it is larger than the sum of its proper divisors (10741195).

53449685 is a wasteful number, since it uses less digits than its factorization.

53449685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

The product of its digits is 518400, while the sum is 44.

The square root of 53449685 is about 7310.9291475161. The cubic root of 53449685 is about 376.6879405149.

The spelling of 53449685 in words is "fifty-three million, four hundred forty-nine thousand, six hundred eighty-five".