51461466 has 24 divisors (see below), whose sum is σ = 119727360. Its totient is φ = 14703192.

The previous prime is 51461461. The next prime is 51461477. The reversal of 51461466 is 66416415.

It is a happy number.

51461466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51461461) 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 11 ways as a sum of consecutive naturals, for example, 87226 + ... + 87813.

It is an arithmetic number, because the mean of its divisors is an integer number (4988640).

Almost surely, 2^51461466 is an apocalyptic number.

51461466 is an abundant number, since it is smaller than the sum of its proper divisors (68265894).

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

51461466 is a wasteful number, since it uses less digits than its factorization.

51461466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175058 (or 175051 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 51461466 is about 7173.6647538061. The cubic root of 51461466 is about 371.9581262845.

The spelling of 51461466 in words is "fifty-one million, four hundred sixty-one thousand, four hundred sixty-six".