51010053620 has 24 divisors (see below), whose sum is σ = 108936727200. Its totient is φ = 20058190112.

The previous prime is 51010053593. The next prime is 51010053623. The reversal of 51010053620 is 2635001015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010053623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21613250 + ... + 21615609.

It is an arithmetic number, because the mean of its divisors is an integer number (4539030300).

Almost surely, 2^51010053620 is an apocalyptic number.

It is an amenable number.

51010053620 is an abundant number, since it is smaller than the sum of its proper divisors (57926673580).

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

51010053620 is a wasteful number, since it uses less digits than its factorization.

51010053620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43228927 (or 43228925 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 51010053620 its reverse (2635001015), we get a palindrome (53645054635).

The spelling of 51010053620 in words is "fifty-one billion, ten million, fifty-three thousand, six hundred twenty".