51043011 has 4 divisors (see below), whose sum is σ = 68057352. Its totient is φ = 34028672.

The previous prime is 51043009. The next prime is 51043033. The reversal of 51043011 is 11034015.

51043011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51043011 - 2¹ = 51043009 is a prime.

It is a super-2 number, since 2×51043011² = 5210777943892242, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8507166 + ... + 8507171.

It is an arithmetic number, because the mean of its divisors is an integer number (17014338).

Almost surely, 2^51043011 is an apocalyptic number.

51043011 is a deficient number, since it is larger than the sum of its proper divisors (17014341).

51043011 is a wasteful number, since it uses less digits than its factorization.

51043011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17014340.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51043011 is about 7144.4391662327. The cubic root of 51043011 is about 370.9471981388.

Adding to 51043011 its reverse (11034015), we get a palindrome (62077026).

The spelling of 51043011 in words is "fifty-one million, forty-three thousand, eleven".