51358376387 has 8 divisors (see below), whose sum is σ = 51486911280. Its totient is φ = 51229950880.

The previous prime is 51358376383. The next prime is 51358376441. The reversal of 51358376387 is 78367385315.

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 51358376387 - 2² = 51358376383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51358376383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 956753 + ... + 1009005.

It is an arithmetic number, because the mean of its divisors is an integer number (6435863910).

Almost surely, 2^51358376387 is an apocalyptic number.

51358376387 is a deficient number, since it is larger than the sum of its proper divisors (128534893).

51358376387 is a wasteful number, since it uses less digits than its factorization.

51358376387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54693.

The product of its digits is 12700800, while the sum is 56.

The spelling of 51358376387 in words is "fifty-one billion, three hundred fifty-eight million, three hundred seventy-six thousand, three hundred eighty-seven".