51053316321 has 8 divisors (see below), whose sum is σ = 77795529664. Its totient is φ = 29173323600.

The previous prime is 51053316319. The next prime is 51053316337. The reversal of 51053316321 is 12361335015.

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

It is not a de Polignac number, because 51053316321 - 2¹ = 51053316319 is a prime.

It is a super-2 number, since 2×51053316321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51053316121) 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 7 ways as a sum of consecutive naturals, for example, 1215555130 + ... + 1215555171.

It is an arithmetic number, because the mean of its divisors is an integer number (9724441208).

Almost surely, 2^51053316321 is an apocalyptic number.

It is an amenable number.

51053316321 is a deficient number, since it is larger than the sum of its proper divisors (26742213343).

51053316321 is a wasteful number, since it uses less digits than its factorization.

51053316321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431110311.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 51053316321 in words is "fifty-one billion, fifty-three million, three hundred sixteen thousand, three hundred twenty-one".