27516764552 has 16 divisors (see below), whose sum is σ = 51970533660. Its totient is φ = 13657955584.

The previous prime is 27516764533. The next prime is 27516764557. The reversal of 27516764552 is 25546761572.

It can be written as a sum of positive squares in 2 ways, for example, as 26570956036 + 945808516 = 163006^2 + 30754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27516764552.

It is not an unprimeable number, because it can be changed into a prime (27516764557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12552173 + ... + 12554364.

Almost surely, 2^27516764552 is an apocalyptic number.

It is an amenable number.

27516764552 is a deficient number, since it is larger than the sum of its proper divisors (24453769108).

27516764552 is a wasteful number, since it uses less digits than its factorization.

27516764552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25106680 (or 25106676 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 50.

The spelling of 27516764552 in words is "twenty-seven billion, five hundred sixteen million, seven hundred sixty-four thousand, five hundred fifty-two".