51497326 has 8 divisors (see below), whose sum is σ = 77283360. Its totient is φ = 25736208.

The previous prime is 51497323. The next prime is 51497333. The reversal of 51497326 is 62379415.

51497326 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (51497321) 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, 315 + ... + 10153.

It is an arithmetic number, because the mean of its divisors is an integer number (9660420).

Almost surely, 2^51497326 is an apocalyptic number.

51497326 is a deficient number, since it is larger than the sum of its proper divisors (25786034).

51497326 is a wasteful number, since it uses less digits than its factorization.

51497326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458.

The product of its digits is 45360, while the sum is 37.

The square root of 51497326 is about 7176.1637383772. The cubic root of 51497326 is about 372.0445036748.

The spelling of 51497326 in words is "fifty-one million, four hundred ninety-seven thousand, three hundred twenty-six".