27550025545 has 48 divisors (see below), whose sum is σ = 39141653760. Its totient is φ = 18222309504.

The previous prime is 27550025539. The next prime is 27550025557. The reversal of 27550025545 is 54552005572.

It is not a de Polignac number, because 27550025545 - 2⁹ = 27550025033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27550025498 and 27550025507.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20886396 + ... + 20887714.

It is an arithmetic number, because the mean of its divisors is an integer number (815451120).

Almost surely, 2^27550025545 is an apocalyptic number.

It is an amenable number.

27550025545 is a deficient number, since it is larger than the sum of its proper divisors (11591628215).

27550025545 is a wasteful number, since it uses less digits than its factorization.

27550025545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 40.

The spelling of 27550025545 in words is "twenty-seven billion, five hundred fifty million, twenty-five thousand, five hundred forty-five".