53393893 has 8 divisors (see below), whose sum is σ = 61239488. Its totient is φ = 45602784.

The previous prime is 53393891. The next prime is 53393909. The reversal of 53393893 is 39839335.

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 53393893 - 2¹ = 53393891 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 (53393891) 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, 11496 + ... + 15457.

It is an arithmetic number, because the mean of its divisors is an integer number (7654936).

Almost surely, 2^53393893 is an apocalyptic number.

It is an amenable number.

53393893 is a deficient number, since it is larger than the sum of its proper divisors (7845595).

53393893 is a wasteful number, since it uses less digits than its factorization.

53393893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27243.

The product of its digits is 262440, while the sum is 43.

The square root of 53393893 is about 7307.1124940020. The cubic root of 53393893 is about 376.5568297316.

The spelling of 53393893 in words is "fifty-three million, three hundred ninety-three thousand, eight hundred ninety-three".