55319711 has 2 divisors, whose sum is σ = 55319712. Its totient is φ = 55319710.

The previous prime is 55319687. The next prime is 55319713. The reversal of 55319711 is 11791355.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55319711 - 2¹⁰ = 55318687 is a prime.

Together with 55319713, 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 (55319713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27659855 + 27659856.

It is an arithmetic number, because the mean of its divisors is an integer number (27659856).

Almost surely, 2^55319711 is an apocalyptic number.

55319711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55319711 is an equidigital number, since it uses as much as digits as its factorization.

55319711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 32.

The square root of 55319711 is about 7437.7221647491. The cubic root of 55319711 is about 381.0306990692.

The spelling of 55319711 in words is "fifty-five million, three hundred nineteen thousand, seven hundred eleven".