51233534305 has 32 divisors (see below), whose sum is σ = 64583866368. Its totient is φ = 38966054400.

The previous prime is 51233534293. The next prime is 51233534309. The reversal of 51233534305 is 50343533215.

It is not a de Polignac number, because 51233534305 - 2¹⁵ = 51233501537 is a prime.

It is a super-2 number, since 2×51233534305² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51233534309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8856444 + ... + 8862226.

It is an arithmetic number, because the mean of its divisors is an integer number (2018245824).

Almost surely, 2^51233534305 is an apocalyptic number.

It is an amenable number.

51233534305 is a deficient number, since it is larger than the sum of its proper divisors (13350332063).

51233534305 is a wasteful number, since it uses less digits than its factorization.

51233534305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 51233534305 in words is "fifty-one billion, two hundred thirty-three million, five hundred thirty-four thousand, three hundred five".