51510542324 has 12 divisors (see below), whose sum is σ = 90305290404. Its totient is φ = 25709030784.

The previous prime is 51510542297. The next prime is 51510542329. The reversal of 51510542324 is 42324501515.

It can be written as a sum of positive squares in 2 ways, for example, as 21054010000 + 30456532324 = 145100^2 + 174518^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51510542329) 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, 11557589 + ... + 11562044.

It is an arithmetic number, because the mean of its divisors is an integer number (7525440867).

Almost surely, 2^51510542324 is an apocalyptic number.

It is an amenable number.

51510542324 is a deficient number, since it is larger than the sum of its proper divisors (38794748080).

51510542324 is a wasteful number, since it uses less digits than its factorization.

51510542324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23120194 (or 23120192 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 51510542324 in words is "fifty-one billion, five hundred ten million, five hundred forty-two thousand, three hundred twenty-four".