51395610392 has 24 divisors (see below), whose sum is σ = 112100120460. Its totient is φ = 22026690000.

The previous prime is 51395610391. The next prime is 51395610433. The reversal of 51395610392 is 29301659315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51395610391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65555234 + ... + 65556017.

Almost surely, 2^51395610392 is an apocalyptic number.

It is an amenable number.

51395610392 is an abundant number, since it is smaller than the sum of its proper divisors (60704510068).

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

51395610392 is a wasteful number, since it uses less digits than its factorization.

51395610392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131111271 (or 131111260 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 44.

Adding to 51395610392 its sum of digits (44), we get a square (51395610436 = 226706²).

The spelling of 51395610392 in words is "fifty-one billion, three hundred ninety-five million, six hundred ten thousand, three hundred ninety-two".