56752271 has 2 divisors, whose sum is σ = 56752272. Its totient is φ = 56752270.

The previous prime is 56752249. The next prime is 56752291. The reversal of 56752271 is 17225765.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56752271 - 2⁶ = 56752207 is a prime.

It is a super-3 number, since 3×56752271³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56752211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28376135 + 28376136.

It is an arithmetic number, because the mean of its divisors is an integer number (28376136).

Almost surely, 2^56752271 is an apocalyptic number.

56752271 is a deficient number, since it is larger than the sum of its proper divisors (1).

56752271 is an equidigital number, since it uses as much as digits as its factorization.

56752271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 56752271 is about 7533.4103167158. The cubic root of 56752271 is about 384.2917681815.

The spelling of 56752271 in words is "fifty-six million, seven hundred fifty-two thousand, two hundred seventy-one".