51824066815 has 8 divisors (see below), whose sum is σ = 62194961808. Its totient is φ = 41455199040.

The previous prime is 51824066771. The next prime is 51824066837. The reversal of 51824066815 is 51866042815.

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

It is not a de Polignac number, because 51824066815 - 2²¹ = 51821969663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449982 + ... + 553291.

It is an arithmetic number, because the mean of its divisors is an integer number (7774370226).

Almost surely, 2^51824066815 is an apocalyptic number.

51824066815 is a deficient number, since it is larger than the sum of its proper divisors (10370894993).

51824066815 is a wasteful number, since it uses less digits than its factorization.

51824066815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013609.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 51824066815 in words is "fifty-one billion, eight hundred twenty-four million, sixty-six thousand, eight hundred fifteen".