51771476 has 6 divisors (see below), whose sum is σ = 90600090. Its totient is φ = 25885736.

The previous prime is 51771469. The next prime is 51771491. The reversal of 51771476 is 67417715.

It is a happy number.

51771476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 1020100 = 7124^2 + 1010^2 .

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 as a sum of consecutive naturals, namely, 6471431 + ... + 6471438.

It is an arithmetic number, because the mean of its divisors is an integer number (15100015).

Almost surely, 2^51771476 is an apocalyptic number.

It is an amenable number.

51771476 is a deficient number, since it is larger than the sum of its proper divisors (38828614).

51771476 is a wasteful number, since it uses less digits than its factorization.

51771476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12942873 (or 12942871 counting only the distinct ones).

The product of its digits is 41160, while the sum is 38.

The square root of 51771476 is about 7195.2398153223. The cubic root of 51771476 is about 372.7035381494.

The spelling of 51771476 in words is "fifty-one million, seven hundred seventy-one thousand, four hundred seventy-six".