51222545206 has 8 divisors (see below), whose sum is σ = 87810077520. Its totient is φ = 21952519368.

The previous prime is 51222545203. The next prime is 51222545207. The reversal of 51222545206 is 60254522215.

51222545206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51222545203) 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, 1829376601 + ... + 1829376628.

It is an arithmetic number, because the mean of its divisors is an integer number (10976259690).

Almost surely, 2^51222545206 is an apocalyptic number.

51222545206 is a deficient number, since it is larger than the sum of its proper divisors (36587532314).

51222545206 is a wasteful number, since it uses less digits than its factorization.

51222545206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658753238.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 51222545206 in words is "fifty-one billion, two hundred twenty-two million, five hundred forty-five thousand, two hundred six".