51420404527756 has 48 divisors (see below), whose sum is σ = 98760780679680. Its totient is φ = 23231472776000.

The previous prime is 51420404527753. The next prime is 51420404527759. The reversal of 51420404527756 is 65772540402415.

51420404527756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51420404527753) and next prime (51420404527759).

It is not an unprimeable number, because it can be changed into a prime (51420404527753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15337821 + ... + 18387211.

It is an arithmetic number, because the mean of its divisors is an integer number (2057516264160).

Almost surely, 2^{51420404527756} is an apocalyptic number.

It is an amenable number.

51420404527756 is a deficient number, since it is larger than the sum of its proper divisors (47340376151924).

51420404527756 is a wasteful number, since it uses less digits than its factorization.

51420404527756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051726 (or 3051724 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 52.

The spelling of 51420404527756 in words is "fifty-one trillion, four hundred twenty billion, four hundred four million, five hundred twenty-seven thousand, seven hundred fifty-six".