51461146 has 32 divisors (see below), whose sum is σ = 86821632. Its totient is φ = 22676160.

The previous prime is 51461129. The next prime is 51461171. The reversal of 51461146 is 64116415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162180 + ... + 162496.

It is an arithmetic number, because the mean of its divisors is an integer number (2713176).

Almost surely, 2^51461146 is an apocalyptic number.

51461146 is a deficient number, since it is larger than the sum of its proper divisors (35360486).

51461146 is a wasteful number, since it uses less digits than its factorization.

51461146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 2880, while the sum is 28.

The square root of 51461146 is about 7173.6424499692. The cubic root of 51461146 is about 371.9573553073.

The spelling of 51461146 in words is "fifty-one million, four hundred sixty-one thousand, one hundred forty-six".