51100000055060 has 96 divisors (see below), whose sum is σ = 124355412010368. Its totient is φ = 17431803002880.

The previous prime is 51100000055047. The next prime is 51100000055171. The reversal of 51100000055060 is 6055000000115.

It is a super-2 number, since 2×51100000055060² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21104429 + ... + 23400788.

It is an arithmetic number, because the mean of its divisors is an integer number (1295368875108).

Almost surely, 2^{51100000055060} is an apocalyptic number.

It is an amenable number.

51100000055060 is an abundant number, since it is smaller than the sum of its proper divisors (73255411955308).

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

51100000055060 is a wasteful number, since it uses less digits than its factorization.

51100000055060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505561 (or 44505559 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 51100000055060 its reverse (6055000000115), we get a palindrome (57155000055175).

The spelling of 51100000055060 in words is "fifty-one trillion, one hundred billion, fifty-five thousand, sixty".