51926553647078 has 16 divisors (see below), whose sum is σ = 85096980822096. Its totient is φ = 23567907632640.

The previous prime is 51926553647069. The next prime is 51926553647083. The reversal of 51926553647078 is 87074635562915.

It is a junction number, because it is equal to n+sod(n) for n = 51926553646999 and 51926553647017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753549751 + ... + 1753579362.

It is an arithmetic number, because the mean of its divisors is an integer number (5318561301381).

It is a 2-persistent number, because it is pandigital, and so is 2⋅51926553647078 = 103853107294156, but 3⋅51926553647078 = 155779660941234 is not.

Almost surely, 2^{51926553647078} is an apocalyptic number.

51926553647078 is a deficient number, since it is larger than the sum of its proper divisors (33170427175018).

51926553647078 is a wasteful number, since it uses less digits than its factorization.

51926553647078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507129799.

The product of its (nonzero) digits is 381024000, while the sum is 68.

The spelling of 51926553647078 in words is "fifty-one trillion, nine hundred twenty-six billion, five hundred fifty-three million, six hundred forty-seven thousand, seventy-eight".