51045845569024 has 80 divisors (see below), whose sum is σ = 102263760593280. Its totient is φ = 25454961326080.

The previous prime is 51045845568931. The next prime is 51045845569051. The reversal of 51045845569024 is 42096554854015.

It is a self number, because there is not a number n which added to its sum of digits gives 51045845569024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574026837 + ... + 574115755.

It is an arithmetic number, because the mean of its divisors is an integer number (1278297007416).

Almost surely, 2^{51045845569024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51045845569024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51131880296640).

51045845569024 is an abundant number, since it is smaller than the sum of its proper divisors (51217915024256).

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

51045845569024 is an equidigital number, since it uses as much as digits as its factorization.

51045845569024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91911 (or 91895 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 58.

The spelling of 51045845569024 in words is "fifty-one trillion, forty-five billion, eight hundred forty-five million, five hundred sixty-nine thousand, twenty-four".