51532760778 has 8 divisors (see below), whose sum is σ = 103065521568. Its totient is φ = 17177586924.

The previous prime is 51532760753. The next prime is 51532760789. The reversal of 51532760778 is 87706723515.

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

51532760778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51532760778.

It is an unprimeable number.

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, 4294396726 + ... + 4294396737.

It is an arithmetic number, because the mean of its divisors is an integer number (12883190196).

Almost surely, 2^51532760778 is an apocalyptic number.

51532760778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51532760778 is a wasteful number, since it uses less digits than its factorization.

51532760778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588793468.

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 51532760778 in words is "fifty-one billion, five hundred thirty-two million, seven hundred sixty thousand, seven hundred seventy-eight".