51726025533447 has 256 divisors, whose sum is σ = 83104606126080. Its totient is φ = 31725283239936.

The previous prime is 51726025533407. The next prime is 51726025533461. The reversal of 51726025533447 is 74433552062715.

51726025533447 is a `hidden beast` number, since 5 + 1 + 7 + 2 + 60 + 2 + 5 + 533 + 4 + 47 = 666.

It is not a de Polignac number, because 51726025533447 - 2⁸ = 51726025533191 is a prime.

It is a super-2 number, since 2×51726025533447² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51726025533393 and 51726025533402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51726025533407) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 165258867363 + ... + 165258867675.

It is an arithmetic number, because the mean of its divisors is an integer number (324627367680).

Almost surely, 2^{51726025533447} is an apocalyptic number.

51726025533447 is a deficient number, since it is larger than the sum of its proper divisors (31378580592633).

51726025533447 is a wasteful number, since it uses less digits than its factorization.

51726025533447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 54.

The spelling of 51726025533447 in words is "fifty-one trillion, seven hundred twenty-six billion, twenty-five million, five hundred thirty-three thousand, four hundred forty-seven".