55330711 has 2 divisors, whose sum is σ = 55330712. Its totient is φ = 55330710.

The previous prime is 55330697. The next prime is 55330783. The reversal of 55330711 is 11703355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55330711 - 2⁹ = 55330199 is a prime.

It is a super-2 number, since 2×55330711² = 6122975159531042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55330211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27665355 + 27665356.

It is an arithmetic number, because the mean of its divisors is an integer number (27665356).

Almost surely, 2^55330711 is an apocalyptic number.

55330711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55330711 is an equidigital number, since it uses as much as digits as its factorization.

55330711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 25.

The square root of 55330711 is about 7438.4616017023. The cubic root of 55330711 is about 381.0559526352.

The spelling of 55330711 in words is "fifty-five million, three hundred thirty thousand, seven hundred eleven".