51485050438 has 8 divisors (see below), whose sum is σ = 78684699888. Its totient is φ = 25256817144.

The previous prime is 51485050411. The next prime is 51485050459. The reversal of 51485050438 is 83405058415.

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

It is a junction number, because it is equal to n+sod(n) for n = 51485050394 and 51485050403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242853906 + ... + 242854117.

It is an arithmetic number, because the mean of its divisors is an integer number (9835587486).

Almost surely, 2^51485050438 is an apocalyptic number.

51485050438 is a deficient number, since it is larger than the sum of its proper divisors (27199649450).

51485050438 is a wasteful number, since it uses less digits than its factorization.

51485050438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485708078.

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 51485050438 in words is "fifty-one billion, four hundred eighty-five million, fifty thousand, four hundred thirty-eight".