51206266055453 has 4 divisors (see below), whose sum is σ = 52971999367740. Its totient is φ = 49440532743168.

The previous prime is 51206266055411. The next prime is 51206266055509. The reversal of 51206266055453 is 35455066260215.

51206266055453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42892374297529 + 8313891757924 = 6549227^2 + 2883382^2 .

It is a cyclic number.

It is not a de Polignac number, because 51206266055453 - 2¹⁶ = 51206265989917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51206266055053) 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 3 ways as a sum of consecutive naturals, for example, 882866656100 + ... + 882866656157.

It is an arithmetic number, because the mean of its divisors is an integer number (13242999841935).

Almost surely, 2^{51206266055453} is an apocalyptic number.

It is an amenable number.

51206266055453 is a deficient number, since it is larger than the sum of its proper divisors (1765733312287).

51206266055453 is a wasteful number, since it uses less digits than its factorization.

51206266055453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765733312286.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 51206266055453 in words is "fifty-one trillion, two hundred six billion, two hundred sixty-six million, fifty-five thousand, four hundred fifty-three".