51057744406 has 8 divisors (see below), whose sum is σ = 78656525280. Its totient is φ = 24838902648.

The previous prime is 51057744377. The next prime is 51057744473. The reversal of 51057744406 is 60444775015.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344984686 + ... + 344984833.

It is an arithmetic number, because the mean of its divisors is an integer number (9832065660).

Almost surely, 2^51057744406 is an apocalyptic number.

51057744406 is a deficient number, since it is larger than the sum of its proper divisors (27598780874).

51057744406 is a wasteful number, since it uses less digits than its factorization.

51057744406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689969558.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 51057744406 in words is "fifty-one billion, fifty-seven million, seven hundred forty-four thousand, four hundred six".