51362238 has 8 divisors (see below), whose sum is σ = 102724488. Its totient is φ = 17120744.

The previous prime is 51362231. The next prime is 51362239. The reversal of 51362238 is 83226315.

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

51362238 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51362231) 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 3 ways as a sum of consecutive naturals, for example, 4280181 + ... + 4280192.

It is an arithmetic number, because the mean of its divisors is an integer number (12840561).

Almost surely, 2^51362238 is an apocalyptic number.

51362238 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.

51362238 is a wasteful number, since it uses less digits than its factorization.

51362238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560378.

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

The square root of 51362238 is about 7166.7452863905. The cubic root of 51362238 is about 371.7189025721.

The spelling of 51362238 in words is "fifty-one million, three hundred sixty-two thousand, two hundred thirty-eight".