51704521324958 has 4 divisors (see below), whose sum is σ = 77556781987440. Its totient is φ = 25852260662478.

The previous prime is 51704521324957. The next prime is 51704521324991. The reversal of 51704521324958 is 85942312540715.

It is a happy number.

51704521324958 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51704521324957) 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 as a sum of consecutive naturals, namely, 12926130331238 + ... + 12926130331241.

It is an arithmetic number, because the mean of its divisors is an integer number (19389195496860).

Almost surely, 2^{51704521324958} is an apocalyptic number.

51704521324958 is a deficient number, since it is larger than the sum of its proper divisors (25852260662482).

51704521324958 is a wasteful number, since it uses less digits than its factorization.

51704521324958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25852260662481.

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 51704521324958 in words is "fifty-one trillion, seven hundred four billion, five hundred twenty-one million, three hundred twenty-four thousand, nine hundred fifty-eight".