51706043 has 8 divisors (see below), whose sum is σ = 54794880. Its totient is φ = 48704320.

The previous prime is 51706037. The next prime is 51706079. The reversal of 51706043 is 34060715.

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

It is a cyclic number.

It is not a de Polignac number, because 51706043 - 2¹⁶ = 51640507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51706013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20555 + ... + 22932.

It is an arithmetic number, because the mean of its divisors is an integer number (6849360).

Almost surely, 2^51706043 is an apocalyptic number.

51706043 is a deficient number, since it is larger than the sum of its proper divisors (3088837).

51706043 is a wasteful number, since it uses less digits than its factorization.

51706043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43557.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 51706043 is about 7190.6914132092. The cubic root of 51706043 is about 372.5464542758.

Adding to 51706043 its reverse (34060715), we get a palindrome (85766758).

The spelling of 51706043 in words is "fifty-one million, seven hundred six thousand, forty-three".