51006080 has 32 divisors (see below), whose sum is σ = 121937940. Its totient is φ = 20402176.

The previous prime is 51006079. The next prime is 51006143. The reversal of 51006080 is 8060015.

It can be written as a sum of positive squares in 2 ways, for example, as 50353216 + 652864 = 7096^2 + 808^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39209 + ... + 40488.

Almost surely, 2^51006080 is an apocalyptic number.

It is an amenable number.

51006080 is an abundant number, since it is smaller than the sum of its proper divisors (70931860).

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

51006080 is an equidigital number, since it uses as much as digits as its factorization.

51006080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79716 (or 79704 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51006080 is about 7141.8541010021. The cubic root of 51006080 is about 370.8577131077.

Adding to 51006080 its reverse (8060015), we get a palindrome (59066095).

The spelling of 51006080 in words is "fifty-one million, six thousand, eighty".