51463146 has 32 divisors (see below), whose sum is σ = 117843840. Its totient is φ = 14677056.

The previous prime is 51463127. The next prime is 51463157. The reversal of 51463146 is 64136415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41260 + ... + 42488.

It is an arithmetic number, because the mean of its divisors is an integer number (3682620).

Almost surely, 2^51463146 is an apocalyptic number.

51463146 is an abundant number, since it is smaller than the sum of its proper divisors (66380694).

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

51463146 is a wasteful number, since it uses less digits than its factorization.

51463146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its digits is 8640, while the sum is 30.

The square root of 51463146 is about 7173.7818478122. The cubic root of 51463146 is about 371.9621738623.

The spelling of 51463146 in words is "fifty-one million, four hundred sixty-three thousand, one hundred forty-six".