51233233545 has 48 divisors (see below), whose sum is σ = 96277381200. Its totient is φ = 25053193728.

The previous prime is 51233233537. The next prime is 51233233549. The reversal of 51233233545 is 54533233215.

51233233545 is a `hidden beast` number, since 51 + 2 + 3 + 32 + 33 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 16677397881 + 34555835664 = 129141^2 + 185892^2 .

It is not a de Polignac number, because 51233233545 - 2³ = 51233233537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51233233549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206722 + ... + 381051.

It is an arithmetic number, because the mean of its divisors is an integer number (2005778775).

Almost surely, 2^51233233545 is an apocalyptic number.

It is an amenable number.

51233233545 is a deficient number, since it is larger than the sum of its proper divisors (45044147655).

51233233545 is a wasteful number, since it uses less digits than its factorization.

51233233545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587946 (or 587943 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

The spelling of 51233233545 in words is "fifty-one billion, two hundred thirty-three million, two hundred thirty-three thousand, five hundred forty-five".