55329911 has 16 divisors (see below), whose sum is σ = 69943104. Its totient is φ = 42591744.

The previous prime is 55329907. The next prime is 55329913. The reversal of 55329911 is 11992355.

55329911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55329911 - 2² = 55329907 is a prime.

It is a super-2 number, since 2×55329911² = 6122798102535842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55329913) 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 in 15 ways as a sum of consecutive naturals, for example, 4850 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (4371444).

Almost surely, 2^55329911 is an apocalyptic number.

55329911 is a deficient number, since it is larger than the sum of its proper divisors (14613193).

55329911 is a wasteful number, since it uses less digits than its factorization.

55329911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16490.

The product of its digits is 12150, while the sum is 35.

The square root of 55329911 is about 7438.4078269479. The cubic root of 55329911 is about 381.0541161251.

The spelling of 55329911 in words is "fifty-five million, three hundred twenty-nine thousand, nine hundred eleven".