51406548271 has 12 divisors (see below), whose sum is σ = 55688166360. Its totient is φ = 47432517600.

The previous prime is 51406548247. The next prime is 51406548283. The reversal of 51406548271 is 17284560415.

It is not a de Polignac number, because 51406548271 - 2¹¹ = 51406546223 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 (51406548211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353721 + ... + 477421.

It is an arithmetic number, because the mean of its divisors is an integer number (4640680530).

Almost surely, 2^51406548271 is an apocalyptic number.

51406548271 is a deficient number, since it is larger than the sum of its proper divisors (4281618089).

51406548271 is a wasteful number, since it uses less digits than its factorization.

51406548271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126186 (or 126173 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 51406548271 in words is "fifty-one billion, four hundred six million, five hundred forty-eight thousand, two hundred seventy-one".