51771322 has 8 divisors (see below), whose sum is σ = 80334900. Its totient is φ = 24993024.

The previous prime is 51771319. The next prime is 51771323. The reversal of 51771322 is 22317715.

It can be written as a sum of positive squares in 2 ways, for example, as 51279921 + 491401 = 7161^2 + 701^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51771323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446247 + ... + 446362.

Almost surely, 2^51771322 is an apocalyptic number.

51771322 is a deficient number, since it is larger than the sum of its proper divisors (28563578).

51771322 is a wasteful number, since it uses less digits than its factorization.

51771322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892640.

The product of its digits is 2940, while the sum is 28.

The square root of 51771322 is about 7195.2291137948. The cubic root of 51771322 is about 372.7031685997.

The spelling of 51771322 in words is "fifty-one million, seven hundred seventy-one thousand, three hundred twenty-two".