51579835460 has 24 divisors (see below), whose sum is σ = 111811773696. Its totient is φ = 19966387680.

The previous prime is 51579835421. The next prime is 51579835487. The reversal of 51579835460 is 6453897515.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41596022 + ... + 41597261.

It is an arithmetic number, because the mean of its divisors is an integer number (4658823904).

Almost surely, 2^51579835460 is an apocalyptic number.

It is an amenable number.

51579835460 is an abundant number, since it is smaller than the sum of its proper divisors (60231938236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51579835460 is a wasteful number, since it uses less digits than its factorization.

51579835460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83193323 (or 83193321 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 51579835460 in words is "fifty-one billion, five hundred seventy-nine million, eight hundred thirty-five thousand, four hundred sixty".