53448685 has 4 divisors (see below), whose sum is σ = 64138428. Its totient is φ = 42758944.

The previous prime is 53448679. The next prime is 53448713. The reversal of 53448685 is 58684435.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31292836 + 22155849 = 5594^2 + 4707^2 .

It is a cyclic number.

It is not a de Polignac number, because 53448685 - 2¹⁵ = 53415917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344864 + ... + 5344873.

It is an arithmetic number, because the mean of its divisors is an integer number (16034607).

Almost surely, 2^53448685 is an apocalyptic number.

It is an amenable number.

53448685 is a deficient number, since it is larger than the sum of its proper divisors (10689743).

53448685 is a wasteful number, since it uses less digits than its factorization.

53448685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689742.

The product of its digits is 460800, while the sum is 43.

The square root of 53448685 is about 7310.8607564363. The cubic root of 53448685 is about 376.6855913256.

The spelling of 53448685 in words is "fifty-three million, four hundred forty-eight thousand, six hundred eighty-five".