51606934590 has 16 divisors (see below), whose sum is σ = 123856643088. Its totient is φ = 13761849216.

The previous prime is 51606934529. The next prime is 51606934609. The reversal of 51606934590 is 9543960615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860115547 + ... + 860115606.

It is an arithmetic number, because the mean of its divisors is an integer number (7741040193).

Almost surely, 2^51606934590 is an apocalyptic number.

51606934590 is an abundant number, since it is smaller than the sum of its proper divisors (72249708498).

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

51606934590 is a wasteful number, since it uses less digits than its factorization.

51606934590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720231163.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 51606934590 in words is "fifty-one billion, six hundred six million, nine hundred thirty-four thousand, five hundred ninety".