56653271 has 2 divisors, whose sum is σ = 56653272. Its totient is φ = 56653270.

The previous prime is 56653249. The next prime is 56653273. The reversal of 56653271 is 17235665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56653271 - 2¹⁴ = 56636887 is a prime.

It is a super-2 number, since 2×56653271² = 6419186229998882, which contains 22 as substring.

Together with 56653273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56653273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28326635 + 28326636.

It is an arithmetic number, because the mean of its divisors is an integer number (28326636).

Almost surely, 2^56653271 is an apocalyptic number.

56653271 is a deficient number, since it is larger than the sum of its proper divisors (1).

56653271 is an equidigital number, since it uses as much as digits as its factorization.

56653271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 56653271 is about 7526.8367193662. The cubic root of 56653271 is about 384.0681822470.

The spelling of 56653271 in words is "fifty-six million, six hundred fifty-three thousand, two hundred seventy-one".