51223410210 has 64 divisors (see below), whose sum is σ = 145343289600. Its totient is φ = 11304475392.

The previous prime is 51223410143. The next prime is 51223410211. The reversal of 51223410210 is 1201432215.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (51223410211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4199445 + ... + 4211624.

It is an arithmetic number, because the mean of its divisors is an integer number (2270988900).

Almost surely, 2^51223410210 is an apocalyptic number.

51223410210 is an abundant number, since it is smaller than the sum of its proper divisors (94119879390).

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

51223410210 is a wasteful number, since it uses less digits than its factorization.

51223410210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411115.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 51223410210 its reverse (1201432215), we get a palindrome (52424842425).

The spelling of 51223410210 in words is "fifty-one billion, two hundred twenty-three million, four hundred ten thousand, two hundred ten".