51033330555073 has 32 divisors (see below), whose sum is σ = 52500255639552. Its totient is φ = 49587442444800.

The previous prime is 51033330555071. The next prime is 51033330555127. The reversal of 51033330555073 is 37055503333015.

It is not a de Polignac number, because 51033330555073 - 2¹ = 51033330555071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51033330555071) 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, 8812521808 + ... + 8812527598.

It is an arithmetic number, because the mean of its divisors is an integer number (1640632988736).

Almost surely, 2^{51033330555073} is an apocalyptic number.

51033330555073 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51033330555073 is a deficient number, since it is larger than the sum of its proper divisors (1466925084479).

51033330555073 is a wasteful number, since it uses less digits than its factorization.

51033330555073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 1063125, while the sum is 43.

Adding to 51033330555073 its reverse (37055503333015), we get a palindrome (88088833888088).

The spelling of 51033330555073 in words is "fifty-one trillion, thirty-three billion, three hundred thirty million, five hundred fifty-five thousand, seventy-three".