51470320522 has 16 divisors (see below), whose sum is σ = 81568828800. Its totient is φ = 24290707680.

The previous prime is 51470320493. The next prime is 51470320523. The reversal of 51470320522 is 22502307415.

It is not an unprimeable number, because it can be changed into a prime (51470320523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488747 + ... + 2509342.

It is an arithmetic number, because the mean of its divisors is an integer number (5098051800).

Almost surely, 2^51470320522 is an apocalyptic number.

51470320522 is a deficient number, since it is larger than the sum of its proper divisors (30098508278).

51470320522 is a wasteful number, since it uses less digits than its factorization.

51470320522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998381.

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 51470320522 its reverse (22502307415), we get a palindrome (73972627937).

The spelling of 51470320522 in words is "fifty-one billion, four hundred seventy million, three hundred twenty thousand, five hundred twenty-two".