51254946 has 12 divisors (see below), whose sum is σ = 111052422. Its totient is φ = 17084976.

The previous prime is 51254941. The next prime is 51254947. The reversal of 51254946 is 64945215.

51254946 is a `hidden beast` number, since 512 + 54 + 94 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43046721 + 8208225 = 6561^2 + 2865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51254946.

It is not an unprimeable number, because it can be changed into a prime (51254941) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1423731 + ... + 1423766.

Almost surely, 2^51254946 is an apocalyptic number.

51254946 is an abundant number, since it is smaller than the sum of its proper divisors (59797476).

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

51254946 is a wasteful number, since it uses less digits than its factorization.

51254946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847505 (or 2847502 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 51254946 is about 7159.2559669284. The cubic root of 51254946 is about 371.4598908361.

The spelling of 51254946 in words is "fifty-one million, two hundred fifty-four thousand, nine hundred forty-six".