53851385 has 8 divisors (see below), whose sum is σ = 73853376. Its totient is φ = 36926640.

The previous prime is 53851381. The next prime is 53851397. The reversal of 53851385 is 58315835.

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

It is not a de Polignac number, because 53851385 - 2² = 53851381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53851381) 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, 769271 + ... + 769340.

It is an arithmetic number, because the mean of its divisors is an integer number (9231672).

Almost surely, 2^53851385 is an apocalyptic number.

It is an amenable number.

53851385 is a deficient number, since it is larger than the sum of its proper divisors (20001991).

53851385 is a wasteful number, since it uses less digits than its factorization.

53851385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538623.

The product of its digits is 72000, while the sum is 38.

The square root of 53851385 is about 7338.3502914483. The cubic root of 53851385 is about 377.6292497788.

The spelling of 53851385 in words is "fifty-three million, eight hundred fifty-one thousand, three hundred eighty-five".