55328711 has 2 divisors, whose sum is σ = 55328712. Its totient is φ = 55328710.

The previous prime is 55328701. The next prime is 55328717. The reversal of 55328711 is 11782355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55328711 - 2¹⁰ = 55327687 is a prime.

It is a super-2 number, since 2×55328711² = 6122532521843042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55328717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27664355 + 27664356.

It is an arithmetic number, because the mean of its divisors is an integer number (27664356).

Almost surely, 2^55328711 is an apocalyptic number.

55328711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55328711 is an equidigital number, since it uses as much as digits as its factorization.

55328711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 55328711 is about 7438.3271640874. The cubic root of 55328711 is about 381.0513613267.

The spelling of 55328711 in words is "fifty-five million, three hundred twenty-eight thousand, seven hundred eleven".