51475059459 has 24 divisors (see below), whose sum is σ = 76948809600. Its totient is φ = 33124273920.

The previous prime is 51475059431. The next prime is 51475059469. The reversal of 51475059459 is 95495057415.

51475059459 is a `hidden beast` number, since 5 + 1 + 47 + 5 + 0 + 594 + 5 + 9 = 666.

51475059459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51475059459 - 2¹¹ = 51475057411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51475059409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128614 + ... + 345675.

It is an arithmetic number, because the mean of its divisors is an integer number (3206200400).

Almost surely, 2^51475059459 is an apocalyptic number.

51475059459 is a deficient number, since it is larger than the sum of its proper divisors (25473750141).

51475059459 is a wasteful number, since it uses less digits than its factorization.

51475059459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474715 (or 474712 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 54.

The spelling of 51475059459 in words is "fifty-one billion, four hundred seventy-five million, fifty-nine thousand, four hundred fifty-nine".