51774271 has 4 divisors (see below), whose sum is σ = 51989344. Its totient is φ = 51559200.

The previous prime is 51774263. The next prime is 51774277. The reversal of 51774271 is 17247715.

51774271 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 is a cyclic number.

It is not a de Polignac number, because 51774271 - 2³ = 51774263 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 (51774277) by changing a digit.

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, 107175 + ... + 107656.

It is an arithmetic number, because the mean of its divisors is an integer number (12997336).

Almost surely, 2^51774271 is an apocalyptic number.

51774271 is a deficient number, since it is larger than the sum of its proper divisors (215073).

51774271 is a wasteful number, since it uses less digits than its factorization.

51774271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215072.

The product of its digits is 13720, while the sum is 34.

The square root of 51774271 is about 7195.4340383329. The cubic root of 51774271 is about 372.7102451093.

The spelling of 51774271 in words is "fifty-one million, seven hundred seventy-four thousand, two hundred seventy-one".