51522550634 has 8 divisors (see below), whose sum is σ = 77688453888. Its totient is φ = 25626399340.

The previous prime is 51522550601. The next prime is 51522550637. The reversal of 51522550634 is 43605522515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51522550637) 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, 67437512 + ... + 67438275.

It is an arithmetic number, because the mean of its divisors is an integer number (9711056736).

Almost surely, 2^51522550634 is an apocalyptic number.

51522550634 is a deficient number, since it is larger than the sum of its proper divisors (26165903254).

51522550634 is a wasteful number, since it uses less digits than its factorization.

51522550634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134875980.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 51522550634 in words is "fifty-one billion, five hundred twenty-two million, five hundred fifty thousand, six hundred thirty-four".