51522541052 has 6 divisors (see below), whose sum is σ = 90164446848. Its totient is φ = 25761270524.

The previous prime is 51522541051. The next prime is 51522541061. The reversal of 51522541052 is 25014522515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51522541051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440317628 + ... + 6440317635.

It is an arithmetic number, because the mean of its divisors is an integer number (15027407808).

Almost surely, 2^51522541052 is an apocalyptic number.

It is an amenable number.

51522541052 is a deficient number, since it is larger than the sum of its proper divisors (38641905796).

51522541052 is a wasteful number, since it uses less digits than its factorization.

51522541052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12880635267 (or 12880635265 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 51522541052 in words is "fifty-one billion, five hundred twenty-two million, five hundred forty-one thousand, fifty-two".