51893285 has 4 divisors (see below), whose sum is σ = 62271948. Its totient is φ = 41514624.

The previous prime is 51893269. The next prime is 51893297. The reversal of 51893285 is 58239815.

51893285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9928801 + 41964484 = 3151^2 + 6478^2 .

It is a cyclic number.

It is not a de Polignac number, because 51893285 - 2⁴ = 51893269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189324 + ... + 5189333.

It is an arithmetic number, because the mean of its divisors is an integer number (15567987).

Almost surely, 2^51893285 is an apocalyptic number.

It is an amenable number.

51893285 is a deficient number, since it is larger than the sum of its proper divisors (10378663).

51893285 is a wasteful number, since it uses less digits than its factorization.

51893285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378662.

The product of its digits is 86400, while the sum is 41.

The square root of 51893285 is about 7203.6993968377. The cubic root of 51893285 is about 372.9956107364.

The spelling of 51893285 in words is "fifty-one million, eight hundred ninety-three thousand, two hundred eighty-five".