51296680 has 16 divisors (see below), whose sum is σ = 115417620. Its totient is φ = 20518656.

The previous prime is 51296671. The next prime is 51296683. The reversal of 51296680 is 8669215.

51296680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51179716 + 116964 = 7154^2 + 342^2 .

It is not an unprimeable number, because it can be changed into a prime (51296683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 641169 + ... + 641248.

Almost surely, 2^51296680 is an apocalyptic number.

It is an amenable number.

51296680 is an abundant number, since it is smaller than the sum of its proper divisors (64120940).

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

51296680 is a wasteful number, since it uses less digits than its factorization.

51296680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282428 (or 1282424 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 51296680 is about 7162.1700622088. The cubic root of 51296680 is about 371.5606830691.

The spelling of 51296680 in words is "fifty-one million, two hundred ninety-six thousand, six hundred eighty".