51504442033 has 8 divisors (see below), whose sum is σ = 59143857120. Its totient is φ = 44357892480.

The previous prime is 51504442021. The next prime is 51504442043. The reversal of 51504442033 is 33024440515.

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

It is not a de Polignac number, because 51504442033 - 2²⁹ = 50967571121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51504441986 and 51504442004.

It is not an unprimeable number, because it can be changed into a prime (51504442043) 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, 123216160 + ... + 123216577.

It is an arithmetic number, because the mean of its divisors is an integer number (7392982140).

Almost surely, 2^51504442033 is an apocalyptic number.

It is an amenable number.

51504442033 is a deficient number, since it is larger than the sum of its proper divisors (7639415087).

51504442033 is a wasteful number, since it uses less digits than its factorization.

51504442033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246432767.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 51504442033 its reverse (33024440515), we get a palindrome (84528882548).

The spelling of 51504442033 in words is "fifty-one billion, five hundred four million, four hundred forty-two thousand, thirty-three".