51662202 has 8 divisors (see below), whose sum is σ = 103324416. Its totient is φ = 17220732.

The previous prime is 51662183. The next prime is 51662231. The reversal of 51662202 is 20226615.

51662202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

51662202 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4305178 + ... + 4305189.

It is an arithmetic number, because the mean of its divisors is an integer number (12915552).

Almost surely, 2^51662202 is an apocalyptic number.

51662202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51662202 is a wasteful number, since it uses less digits than its factorization.

51662202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610372.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51662202 is about 7187.6423116346. The cubic root of 51662202 is about 372.4411317870.

Adding to 51662202 its reverse (20226615), we get a palindrome (71888817).

The spelling of 51662202 in words is "fifty-one million, six hundred sixty-two thousand, two hundred two".