51900382 has 8 divisors (see below), whose sum is σ = 78132456. Its totient is φ = 25856232.

The previous prime is 51900377. The next prime is 51900391. The reversal of 51900382 is 28300915.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51900382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46288 + ... + 47395.

It is an arithmetic number, because the mean of its divisors is an integer number (9766557).

Almost surely, 2^51900382 is an apocalyptic number.

51900382 is a deficient number, since it is larger than the sum of its proper divisors (26232074).

51900382 is a wasteful number, since it uses less digits than its factorization.

51900382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93962.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 51900382 is about 7204.1919741217. The cubic root of 51900382 is about 373.0126137660.

The spelling of 51900382 in words is "fifty-one million, nine hundred thousand, three hundred eighty-two".