51375468254047 has 8 divisors (see below), whose sum is σ = 58714948970496. Its totient is φ = 44036019564792.

The previous prime is 51375468254009. The next prime is 51375468254101. The reversal of 51375468254047 is 74045286457315.

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 51375468254047 - 2¹¹ = 51375468251999 is a prime.

It is a super-2 number, since 2×51375468254047² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375468254347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464943 + ... + 11076400.

It is an arithmetic number, because the mean of its divisors is an integer number (7339368621312).

Almost surely, 2^{51375468254047} is an apocalyptic number.

51375468254047 is a deficient number, since it is larger than the sum of its proper divisors (7339480716449).

51375468254047 is a wasteful number, since it uses less digits than its factorization.

51375468254047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16013597.

The product of its (nonzero) digits is 112896000, while the sum is 61.

The spelling of 51375468254047 in words is "fifty-one trillion, three hundred seventy-five billion, four hundred sixty-eight million, two hundred fifty-four thousand, forty-seven".