51490334 has 8 divisors (see below), whose sum is σ = 88269168. Its totient is φ = 22067280.

The previous prime is 51490321. The next prime is 51490339. The reversal of 51490334 is 43309415.

51490334 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.

It is a junction number, because it is equal to n+sod(n) for n = 51490297 and 51490306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51490339) by changing a digit.

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, 1838927 + ... + 1838954.

It is an arithmetic number, because the mean of its divisors is an integer number (11033646).

Almost surely, 2^51490334 is an apocalyptic number.

51490334 is a deficient number, since it is larger than the sum of its proper divisors (36778834).

51490334 is a wasteful number, since it uses less digits than its factorization.

51490334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677890.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 51490334 is about 7175.6765534687. The cubic root of 51490334 is about 372.0276649176.

Adding to 51490334 its reverse (43309415), we get a palindrome (94799749).

The spelling of 51490334 in words is "fifty-one million, four hundred ninety thousand, three hundred thirty-four".