51897334 has 8 divisors (see below), whose sum is σ = 77876568. Its totient is φ = 25938480.

The previous prime is 51897323. The next prime is 51897337. The reversal of 51897334 is 43379815.

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 (51897337) 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, 7609 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (9734571).

Almost surely, 2^51897334 is an apocalyptic number.

51897334 is a deficient number, since it is larger than the sum of its proper divisors (25979234).

51897334 is a wasteful number, since it uses less digits than its factorization.

51897334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190.

The product of its digits is 90720, while the sum is 40.

The square root of 51897334 is about 7203.9804275137. The cubic root of 51897334 is about 373.0053115416.

The spelling of 51897334 in words is "fifty-one million, eight hundred ninety-seven thousand, three hundred thirty-four".