51234324256 has 24 divisors (see below), whose sum is σ = 100873018764. Its totient is φ = 25615779840.

The previous prime is 51234324241. The next prime is 51234324257. The reversal of 51234324256 is 65242343215.

It can be written as a sum of positive squares in 2 ways, for example, as 41330890000 + 9903434256 = 203300^2 + 99516^2 .

It is not an unprimeable number, because it can be changed into a prime (51234324257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831736 + ... + 891208.

Almost surely, 2^51234324256 is an apocalyptic number.

It is an amenable number.

51234324256 is a deficient number, since it is larger than the sum of its proper divisors (49638694508).

51234324256 is a wasteful number, since it uses less digits than its factorization.

51234324256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86404 (or 86396 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The spelling of 51234324256 in words is "fifty-one billion, two hundred thirty-four million, three hundred twenty-four thousand, two hundred fifty-six".