51712054340 has 96 divisors (see below), whose sum is σ = 111024635904. Its totient is φ = 20228999040.

The previous prime is 51712054337. The next prime is 51712054351. The reversal of 51712054340 is 4345021715.

It is a super-2 number, since 2×51712054340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51712054297 and 51712054306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65707427 + ... + 65708213.

It is an arithmetic number, because the mean of its divisors is an integer number (1156506624).

Almost surely, 2^51712054340 is an apocalyptic number.

It is an amenable number.

51712054340 is an abundant number, since it is smaller than the sum of its proper divisors (59312581564).

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

51712054340 is a wasteful number, since it uses less digits than its factorization.

51712054340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 51712054340 in words is "fifty-one billion, seven hundred twelve million, fifty-four thousand, three hundred forty".