27505505530 has 16 divisors (see below), whose sum is σ = 49536748800. Its totient is φ = 10996238032.

The previous prime is 27505505519. The next prime is 27505505537. The reversal of 27505505530 is 3550550572.

It is a self number, because there is not a number n which added to its sum of digits gives 27505505530.

It is not an unprimeable number, because it can be changed into a prime (27505505537) 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, 726130 + ... + 763069.

It is an arithmetic number, because the mean of its divisors is an integer number (3096046800).

Almost surely, 2^27505505530 is an apocalyptic number.

27505505530 is a deficient number, since it is larger than the sum of its proper divisors (22031243270).

27505505530 is a wasteful number, since it uses less digits than its factorization.

27505505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491053.

The product of its (nonzero) digits is 131250, while the sum is 37.

The spelling of 27505505530 in words is "twenty-seven billion, five hundred five million, five hundred five thousand, five hundred thirty".