51063321 has 8 divisors (see below), whose sum is σ = 68367904. Its totient is φ = 33900480.

The previous prime is 51063319. The next prime is 51063421. The reversal of 51063321 is 12336015.

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

It is not a de Polignac number, because 51063321 - 2¹ = 51063319 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51063301) 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 7 ways as a sum of consecutive naturals, for example, 34591 + ... + 36036.

It is an arithmetic number, because the mean of its divisors is an integer number (8545988).

Almost surely, 2^51063321 is an apocalyptic number.

It is an amenable number.

51063321 is a deficient number, since it is larger than the sum of its proper divisors (17304583).

51063321 is a wasteful number, since it uses less digits than its factorization.

51063321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70871.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51063321 is about 7145.8604100556. The cubic root of 51063321 is about 370.9963915440.

Adding to 51063321 its reverse (12336015), we get a palindrome (63399336).

The spelling of 51063321 in words is "fifty-one million, sixty-three thousand, three hundred twenty-one".