51980227977 has 8 divisors (see below), whose sum is σ = 70283125440. Its totient is φ = 34165407920.

The previous prime is 51980227927. The next prime is 51980227997. The reversal of 51980227977 is 77972208915.

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 51980227977 - 2¹² = 51980223881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51980227927) 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, 122019102 + ... + 122019527.

It is an arithmetic number, because the mean of its divisors is an integer number (8785390680).

Almost surely, 2^51980227977 is an apocalyptic number.

It is an amenable number.

51980227977 is a deficient number, since it is larger than the sum of its proper divisors (18302897463).

51980227977 is a wasteful number, since it uses less digits than its factorization.

51980227977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244038703.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 51980227977 in words is "fifty-one billion, nine hundred eighty million, two hundred twenty-seven thousand, nine hundred seventy-seven".