51871337814 has 32 divisors (see below), whose sum is σ = 103923671040. Its totient is φ = 17260310592.

The previous prime is 51871337807. The next prime is 51871337849. The reversal of 51871337814 is 41873317815.

51871337814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51871337814² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10491427 + ... + 10496369.

It is an arithmetic number, because the mean of its divisors is an integer number (3247614720).

Almost surely, 2^51871337814 is an apocalyptic number.

51871337814 is an abundant number, since it is smaller than the sum of its proper divisors (52052333226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51871337814 is a wasteful number, since it uses less digits than its factorization.

51871337814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7644.

The product of its digits is 564480, while the sum is 48.

The spelling of 51871337814 in words is "fifty-one billion, eight hundred seventy-one million, three hundred thirty-seven thousand, eight hundred fourteen".