51043006 has 48 divisors (see below), whose sum is σ = 95212800. Its totient is φ = 20402928.

The previous prime is 51043001. The next prime is 51043007. The reversal of 51043006 is 60034015.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51043001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146925 + ... + 147271.

It is an arithmetic number, because the mean of its divisors is an integer number (1983600).

Almost surely, 2^51043006 is an apocalyptic number.

51043006 is a deficient number, since it is larger than the sum of its proper divisors (44169794).

51043006 is a wasteful number, since it uses less digits than its factorization.

51043006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 51043006 is about 7144.4388163102. The cubic root of 51043006 is about 370.9471860265.

The spelling of 51043006 in words is "fifty-one million, forty-three thousand, six".