51055120030 has 32 divisors (see below), whose sum is σ = 94159775808. Its totient is φ = 19919904000.

The previous prime is 51055120019. The next prime is 51055120063. The reversal of 51055120030 is 3002155015.

It is a junction number, because it is equal to n+sod(n) for n = 51055119983 and 51055120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2738119 + ... + 2756701.

It is an arithmetic number, because the mean of its divisors is an integer number (2942492994).

Almost surely, 2^51055120030 is an apocalyptic number.

51055120030 is a deficient number, since it is larger than the sum of its proper divisors (43104655778).

51055120030 is a wasteful number, since it uses less digits than its factorization.

51055120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25332.

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 51055120030 its reverse (3002155015), we get a palindrome (54057275045).

The spelling of 51055120030 in words is "fifty-one billion, fifty-five million, one hundred twenty thousand, thirty".