51429085761 has 8 divisors (see below), whose sum is σ = 71553510720. Its totient is φ = 32795358992.

The previous prime is 51429085759. The next prime is 51429085849. The reversal of 51429085761 is 16758092415.

It is a happy number.

51429085761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51429085761 - 2¹ = 51429085759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51429085761.

It is not an unprimeable number, because it can be changed into a prime (51429085711) 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, 372674466 + ... + 372674603.

It is an arithmetic number, because the mean of its divisors is an integer number (8944188840).

Almost surely, 2^51429085761 is an apocalyptic number.

It is an amenable number.

51429085761 is a deficient number, since it is larger than the sum of its proper divisors (20124424959).

51429085761 is a wasteful number, since it uses less digits than its factorization.

51429085761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745349095.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 51429085761 in words is "fifty-one billion, four hundred twenty-nine million, eighty-five thousand, seven hundred sixty-one".