51772527771909 has 8 divisors (see below), whose sum is σ = 78891470890560. Its totient is φ = 29584301583936.

The previous prime is 51772527771883. The next prime is 51772527771959. The reversal of 51772527771909 is 90917772527715.

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

It is not a de Polignac number, because 51772527771909 - 2¹² = 51772527767813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51772527771959) 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, 1232679232644 + ... + 1232679232685.

It is an arithmetic number, because the mean of its divisors is an integer number (9861433861320).

Almost surely, 2^{51772527771909} is an apocalyptic number.

It is an amenable number.

51772527771909 is a deficient number, since it is larger than the sum of its proper divisors (27118943118651).

51772527771909 is a wasteful number, since it uses less digits than its factorization.

51772527771909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465358465339.

The product of its (nonzero) digits is 136136700, while the sum is 69.

The spelling of 51772527771909 in words is "fifty-one trillion, seven hundred seventy-two billion, five hundred twenty-seven million, seven hundred seventy-one thousand, nine hundred nine".