51580565475 has 24 divisors (see below), whose sum is σ = 85291868352. Its totient is φ = 27505764000.

The previous prime is 51580565461. The next prime is 51580565483. The reversal of 51580565475 is 57456508515.

It is a happy number.

51580565475 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 51580565475 - 2⁴ = 51580565459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534700 + ... + 623750.

It is an arithmetic number, because the mean of its divisors is an integer number (3553827848).

Almost surely, 2^51580565475 is an apocalyptic number.

51580565475 is a deficient number, since it is larger than the sum of its proper divisors (33711302877).

51580565475 is a wasteful number, since it uses less digits than its factorization.

51580565475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96787 (or 96782 counting only the distinct ones).

The product of its (nonzero) digits is 4200000, while the sum is 51.

The spelling of 51580565475 in words is "fifty-one billion, five hundred eighty million, five hundred sixty-five thousand, four hundred seventy-five".