51921302927 has 8 divisors (see below), whose sum is σ = 55924470000. Its totient is φ = 47919453120.

The previous prime is 51921302921. The next prime is 51921302929. The reversal of 51921302927 is 72920312915.

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

It is a cyclic number.

It is not a de Polignac number, because 51921302927 - 2¹² = 51921298831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51921302921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246677 + ... + 405822.

It is an arithmetic number, because the mean of its divisors is an integer number (6990558750).

Almost surely, 2^51921302927 is an apocalyptic number.

51921302927 is a deficient number, since it is larger than the sum of its proper divisors (4003167073).

51921302927 is a wasteful number, since it uses less digits than its factorization.

51921302927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658633.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 51921302927 in words is "fifty-one billion, nine hundred twenty-one million, three hundred two thousand, nine hundred twenty-seven".