51464180 has 12 divisors (see below), whose sum is σ = 108074820. Its totient is φ = 20585664.

The previous prime is 51464177. The next prime is 51464221. The reversal of 51464180 is 8146415.

51464180 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 39589264 + 11874916 = 6292^2 + 3446^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1286585 + ... + 1286624.

It is an arithmetic number, because the mean of its divisors is an integer number (9006235).

Almost surely, 2^51464180 is an apocalyptic number.

It is an amenable number.

51464180 is an abundant number, since it is smaller than the sum of its proper divisors (56610640).

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

51464180 is a wasteful number, since it uses less digits than its factorization.

51464180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573218 (or 2573216 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 51464180 is about 7173.8539154349. The cubic root of 51464180 is about 371.9646650062.

The spelling of 51464180 in words is "fifty-one million, four hundred sixty-four thousand, one hundred eighty".