51406500599 has 8 divisors (see below), whose sum is σ = 51502246320. Its totient is φ = 51310794816.

The previous prime is 51406500581. The next prime is 51406500611. The reversal of 51406500599 is 99500560415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51406500599 - 2¹⁶ = 51406435063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51406500499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4006907 + ... + 4019715.

It is an arithmetic number, because the mean of its divisors is an integer number (6437780790).

Almost surely, 2^51406500599 is an apocalyptic number.

51406500599 is a deficient number, since it is larger than the sum of its proper divisors (95745721).

51406500599 is a wasteful number, since it uses less digits than its factorization.

51406500599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19969.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 51406500599 in words is "fifty-one billion, four hundred six million, five hundred thousand, five hundred ninety-nine".