51040330033 has 32 divisors (see below), whose sum is σ = 64533749760. Its totient is φ = 39211248960.

The previous prime is 51040330031. The next prime is 51040330037. The reversal of 51040330033 is 33003304015.

51040330033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51040330033 - 2¹ = 51040330031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51040329986 and 51040330013.

It is not an unprimeable number, because it can be changed into a prime (51040330031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4453116 + ... + 4464562.

It is an arithmetic number, because the mean of its divisors is an integer number (2016679680).

Almost surely, 2^51040330033 is an apocalyptic number.

It is an amenable number.

51040330033 is a deficient number, since it is larger than the sum of its proper divisors (13493419727).

51040330033 is a wasteful number, since it uses less digits than its factorization.

51040330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277.

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 51040330033 its reverse (33003304015), we get a palindrome (84043634048).

The spelling of 51040330033 in words is "fifty-one billion, forty million, three hundred thirty thousand, thirty-three".