51454202 has 8 divisors (see below), whose sum is σ = 78637716. Its totient is φ = 25241632.

The previous prime is 51454163. The next prime is 51454217. The reversal of 51454202 is 20245415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49434961 + 2019241 = 7031^2 + 1421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 242603 + ... + 242814.

Almost surely, 2^51454202 is an apocalyptic number.

51454202 is a deficient number, since it is larger than the sum of its proper divisors (27183514).

51454202 is a wasteful number, since it uses less digits than its factorization.

51454202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485472.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 51454202 is about 7173.1584396276. The cubic root of 51454202 is about 371.9406243154.

Adding to 51454202 its reverse (20245415), we get a palindrome (71699617).

The spelling of 51454202 in words is "fifty-one million, four hundred fifty-four thousand, two hundred two".