27552505021 has 8 divisors (see below), whose sum is σ = 27954872064. Its totient is φ = 27150535440.

The previous prime is 27552505003. The next prime is 27552505051. The reversal of 27552505021 is 12050525572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27552505021 - 2⁷ = 27552504893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27552505051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41740 + ... + 238426.

It is an arithmetic number, because the mean of its divisors is an integer number (3494359008).

Almost surely, 2^27552505021 is an apocalyptic number.

It is an amenable number.

27552505021 is a deficient number, since it is larger than the sum of its proper divisors (402367043).

27552505021 is a wasteful number, since it uses less digits than its factorization.

27552505021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198731.

The product of its (nonzero) digits is 35000, while the sum is 34.

The spelling of 27552505021 in words is "twenty-seven billion, five hundred fifty-two million, five hundred five thousand, twenty-one".