53893685 has 8 divisors (see below), whose sum is σ = 65339736. Its totient is φ = 42670080.

The previous prime is 53893681. The next prime is 53893691. The reversal of 53893685 is 58639835.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5354596 + 48539089 = 2314^2 + 6967^2 .

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

It is not a de Polignac number, because 53893685 - 2² = 53893681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53893681) 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, 55076 + ... + 56045.

It is an arithmetic number, because the mean of its divisors is an integer number (8167467).

Almost surely, 2^53893685 is an apocalyptic number.

It is an amenable number.

53893685 is a deficient number, since it is larger than the sum of its proper divisors (11446051).

53893685 is a wasteful number, since it uses less digits than its factorization.

53893685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111223.

The product of its digits is 777600, while the sum is 47.

The square root of 53893685 is about 7341.2318448609. The cubic root of 53893685 is about 377.7280992120.

The spelling of 53893685 in words is "fifty-three million, eight hundred ninety-three thousand, six hundred eighty-five".