51281948034 has 24 divisors (see below), whose sum is σ = 111117846060. Its totient is φ = 17092912128.

The previous prime is 51281948033. The next prime is 51281948071. The reversal of 51281948034 is 43084918215.

51281948034 is a `hidden beast` number, since 5 + 128 + 19 + 480 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50469869025 + 812079009 = 224655^2 + 28497^2 .

It is not an unprimeable number, because it can be changed into a prime (51281948033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238774 + ... + 399470.

Almost surely, 2^51281948034 is an apocalyptic number.

51281948034 is an abundant number, since it is smaller than the sum of its proper divisors (59835898026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51281948034 is a wasteful number, since it uses less digits than its factorization.

51281948034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178434 (or 178431 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 51281948034 in words is "fifty-one billion, two hundred eighty-one million, nine hundred forty-eight thousand, thirty-four".