51892389138 has 8 divisors (see below), whose sum is σ = 103784778288. Its totient is φ = 17297463044.

The previous prime is 51892389119. The next prime is 51892389139. The reversal of 51892389138 is 83198329815.

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

51892389138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51892389139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324365756 + ... + 4324365767.

It is an arithmetic number, because the mean of its divisors is an integer number (12973097286).

Almost surely, 2^51892389138 is an apocalyptic number.

51892389138 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.

51892389138 is a wasteful number, since it uses less digits than its factorization.

51892389138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648731528.

The product of its digits is 3732480, while the sum is 57.

The spelling of 51892389138 in words is "fifty-one billion, eight hundred ninety-two million, three hundred eighty-nine thousand, one hundred thirty-eight".