51475469688035 has 4 divisors (see below), whose sum is σ = 61770563625648. Its totient is φ = 41180375750424.

The previous prime is 51475469687977. The next prime is 51475469688101. The reversal of 51475469688035 is 53088696457415.

51475469688035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51475469688035 - 2¹⁴ = 51475469671651 is a prime.

It is a super-2 number, since 2×51475469688035² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51475469688035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147546968799 + ... + 5147546968808.

It is an arithmetic number, because the mean of its divisors is an integer number (15442640906412).

Almost surely, 2^{51475469688035} is an apocalyptic number.

51475469688035 is a deficient number, since it is larger than the sum of its proper divisors (10295093937613).

51475469688035 is a wasteful number, since it uses less digits than its factorization.

51475469688035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10295093937612.

The product of its (nonzero) digits is 870912000, while the sum is 71.

The spelling of 51475469688035 in words is "fifty-one trillion, four hundred seventy-five billion, four hundred sixty-nine million, six hundred eighty-eight thousand, thirty-five".