51817334 has 4 divisors (see below), whose sum is σ = 77726004. Its totient is φ = 25908666.

The previous prime is 51817333. The next prime is 51817357. The reversal of 51817334 is 43371815.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×51817334² = 5370072205735112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51817334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51817333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12954332 + ... + 12954335.

It is an arithmetic number, because the mean of its divisors is an integer number (19431501).

Almost surely, 2^51817334 is an apocalyptic number.

51817334 is a deficient number, since it is larger than the sum of its proper divisors (25908670).

51817334 is a wasteful number, since it uses less digits than its factorization.

51817334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25908669.

The product of its digits is 10080, while the sum is 32.

The square root of 51817334 is about 7198.4258001316. The cubic root of 51817334 is about 372.8135497893.

The spelling of 51817334 in words is "fifty-one million, eight hundred seventeen thousand, three hundred thirty-four".