55939271 has 2 divisors, whose sum is σ = 55939272. Its totient is φ = 55939270.

The previous prime is 55939253. The next prime is 55939291. The reversal of 55939271 is 17293955.

55939271 is nontrivially palindromic in base 13.

55939271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55939271 - 2⁶ = 55939207 is a prime.

It is a super-2 number, since 2×55939271² = 6258404080022882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55939201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27969635 + 27969636.

It is an arithmetic number, because the mean of its divisors is an integer number (27969636).

Almost surely, 2^55939271 is an apocalyptic number.

55939271 is a deficient number, since it is larger than the sum of its proper divisors (1).

55939271 is an equidigital number, since it uses as much as digits as its factorization.

55939271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 41.

The square root of 55939271 is about 7479.2560458912. The cubic root of 55939271 is about 382.4478884394.

The spelling of 55939271 in words is "fifty-five million, nine hundred thirty-nine thousand, two hundred seventy-one".