51756260514 has 16 divisors (see below), whose sum is σ = 118300024128. Its totient is φ = 14787502992.

The previous prime is 51756260477. The next prime is 51756260519. The reversal of 51756260514 is 41506265715.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1232291917 = 51756260514 / (5 + 1 + 7 + 5 + 6 + 2 + 6 + 0 + 5 + 1 + 4).

It is not an unprimeable number, because it can be changed into a prime (51756260519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616145917 + ... + 616146000.

It is an arithmetic number, because the mean of its divisors is an integer number (7393751508).

Almost surely, 2^51756260514 is an apocalyptic number.

51756260514 is an abundant number, since it is smaller than the sum of its proper divisors (66543763614).

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

51756260514 is a wasteful number, since it uses less digits than its factorization.

51756260514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232291929.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 51756260514 in words is "fifty-one billion, seven hundred fifty-six million, two hundred sixty thousand, five hundred fourteen".