55310471 has 2 divisors, whose sum is σ = 55310472. Its totient is φ = 55310470.

The previous prime is 55310441. The next prime is 55310473. The reversal of 55310471 is 17401355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55310471 - 2⁶ = 55310407 is a prime.

It is a super-3 number, since 3×55310471³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 55310473, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55310471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55310473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27655235 + 27655236.

It is an arithmetic number, because the mean of its divisors is an integer number (27655236).

Almost surely, 2^55310471 is an apocalyptic number.

55310471 is a deficient number, since it is larger than the sum of its proper divisors (1).

55310471 is an equidigital number, since it uses as much as digits as its factorization.

55310471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 55310471 is about 7437.1009808930. The cubic root of 55310471 is about 381.0094834866.

The spelling of 55310471 in words is "fifty-five million, three hundred ten thousand, four hundred seventy-one".