27920553 has 8 divisors (see below), whose sum is σ = 38428416. Its totient is φ = 18013200.

The previous prime is 27920531. The next prime is 27920561. The reversal of 27920553 is 35502972.

27920553 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 27920553 - 2⁶ = 27920489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27922553) 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, 150018 + ... + 150203.

It is an arithmetic number, because the mean of its divisors is an integer number (4803552).

Almost surely, 2^27920553 is an apocalyptic number.

It is an amenable number.

27920553 is a deficient number, since it is larger than the sum of its proper divisors (10507863).

27920553 is a wasteful number, since it uses less digits than its factorization.

27920553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300255.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 27920553 is about 5283.9902535868. The cubic root of 27920553 is about 303.3714252637.

The spelling of 27920553 in words is "twenty-seven million, nine hundred twenty thousand, five hundred fifty-three".