51838366 has 16 divisors (see below), whose sum is σ = 81396000. Its totient is φ = 24713568.

The previous prime is 51838363. The next prime is 51838373. The reversal of 51838366 is 66383815.

51838366 = 198² + 199² + ... + 546².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51838363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14440 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (5087250).

Almost surely, 2^51838366 is an apocalyptic number.

51838366 is a deficient number, since it is larger than the sum of its proper divisors (29557634).

51838366 is a wasteful number, since it uses less digits than its factorization.

51838366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603.

The product of its digits is 103680, while the sum is 40.

The square root of 51838366 is about 7199.8865268836. The cubic root of 51838366 is about 372.8639830669.

The spelling of 51838366 in words is "fifty-one million, eight hundred thirty-eight thousand, three hundred sixty-six".