51270853 has 8 divisors (see below), whose sum is σ = 51983640. Its totient is φ = 50561280.

The previous prime is 51270851. The next prime is 51270871. The reversal of 51270853 is 35807215.

It can be written as a sum of positive squares in 4 ways, for example, as 334084 + 50936769 = 578^2 + 7137^2 .

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 51270853 - 2¹ = 51270851 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 (51270851) 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, 66993 + ... + 67753.

It is an arithmetic number, because the mean of its divisors is an integer number (6497955).

Almost surely, 2^51270853 is an apocalyptic number.

It is an amenable number.

51270853 is a deficient number, since it is larger than the sum of its proper divisors (712787).

51270853 is an equidigital number, since it uses as much as digits as its factorization.

51270853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 51270853 is about 7160.3668202125. The cubic root of 51270853 is about 371.4983144536.

The spelling of 51270853 in words is "fifty-one million, two hundred seventy thousand, eight hundred fifty-three".