51374426423554 has 8 divisors (see below), whose sum is σ = 82989458068860. Its totient is φ = 23711273733936.

The previous prime is 51374426423549. The next prime is 51374426423557. The reversal of 51374426423554 is 45532462447315.

It can be written as a sum of positive squares in 2 ways, for example, as 48509623063225 + 2864803360329 = 6964885^2 + 1692573^2 .

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 = 51374426423495 and 51374426423504.

It is not an unprimeable number, because it can be changed into a prime (51374426423557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987969738889 + ... + 987969738940.

Almost surely, 2^{51374426423554} is an apocalyptic number.

51374426423554 is a deficient number, since it is larger than the sum of its proper divisors (31615031645306).

51374426423554 is a wasteful number, since it uses less digits than its factorization.

51374426423554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975939477844.

The product of its digits is 48384000, while the sum is 55.

The spelling of 51374426423554 in words is "fifty-one trillion, three hundred seventy-four billion, four hundred twenty-six million, four hundred twenty-three thousand, five hundred fifty-four".