51845073 has 8 divisors (see below), whose sum is σ = 79002048. Its totient is φ = 29625744.

The previous prime is 51845071. The next prime is 51845117. The reversal of 51845073 is 37054815.

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

It is not a de Polignac number, because 51845073 - 2¹ = 51845071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51845071) 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, 1234386 + ... + 1234427.

It is an arithmetic number, because the mean of its divisors is an integer number (9875256).

Almost surely, 2^51845073 is an apocalyptic number.

It is an amenable number.

51845073 is a deficient number, since it is larger than the sum of its proper divisors (27156975).

51845073 is a wasteful number, since it uses less digits than its factorization.

51845073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468823.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 51845073 is about 7200.3522830484. The cubic root of 51845073 is about 372.8800631191.

Adding to 51845073 its reverse (37054815), we get a palindrome (88899888).

The spelling of 51845073 in words is "fifty-one million, eight hundred forty-five thousand, seventy-three".