51628322 has 8 divisors (see below), whose sum is σ = 77622636. Its totient is φ = 25754112.

The previous prime is 51628319. The next prime is 51628327. The reversal of 51628322 is 22382615.

It can be written as a sum of positive squares in 2 ways, for example, as 50708641 + 919681 = 7121^2 + 959^2 .

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 (51628327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28943 + ... + 30674.

Almost surely, 2^51628322 is an apocalyptic number.

51628322 is a deficient number, since it is larger than the sum of its proper divisors (25994314).

51628322 is a wasteful number, since it uses less digits than its factorization.

51628322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60052.

The product of its digits is 5760, while the sum is 29.

The square root of 51628322 is about 7185.2851022071. The cubic root of 51628322 is about 372.3596985249.

The spelling of 51628322 in words is "fifty-one million, six hundred twenty-eight thousand, three hundred twenty-two".