27555555050 has 24 divisors (see below), whose sum is σ = 51388600800. Its totient is φ = 10993132080.

The previous prime is 27555554981. The next prime is 27555555091. The reversal of 27555555050 is 5055555572.

It is a super-2 number, since 2×27555555050² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27555554992 and 27555555010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708110 + ... + 746009.

It is an arithmetic number, because the mean of its divisors is an integer number (2141191700).

Almost surely, 2^27555555050 is an apocalyptic number.

27555555050 is a deficient number, since it is larger than the sum of its proper divisors (23833045750).

27555555050 is a wasteful number, since it uses less digits than its factorization.

27555555050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454510 (or 1454505 counting only the distinct ones).

The product of its (nonzero) digits is 1093750, while the sum is 44.

The spelling of 27555555050 in words is "twenty-seven billion, five hundred fifty-five million, five hundred fifty-five thousand, fifty".