51043000 has 32 divisors (see below), whose sum is σ = 119442960. Its totient is φ = 20416800.

The previous prime is 51042977. The next prime is 51043001. The reversal of 51043000 is 34015.

51043000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24522 + ... + 26521.

Almost surely, 2^51043000 is an apocalyptic number.

51043000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51043000 is an abundant number, since it is smaller than the sum of its proper divisors (68399960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51043000 is a wasteful number, since it uses less digits than its factorization.

51043000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51064 (or 51050 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 51043000 is about 7144.4383964032. The cubic root of 51043000 is about 370.9471714919.

Adding to 51043000 its reverse (34015), we get a palindrome (51077015).

The spelling of 51043000 in words is "fifty-one million, forty-three thousand".