55326511 has 4 divisors (see below), whose sum is σ = 55421352. Its totient is φ = 55231672.

The previous prime is 55326503. The next prime is 55326527. The reversal of 55326511 is 11562355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55326511 - 2³ = 55326503 is a prime.

It is a super-2 number, since 2×55326511² = 6122045638866242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55326511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55326571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46540 + ... + 47713.

It is an arithmetic number, because the mean of its divisors is an integer number (13855338).

Almost surely, 2^55326511 is an apocalyptic number.

55326511 is a deficient number, since it is larger than the sum of its proper divisors (94841).

55326511 is an equidigital number, since it uses as much as digits as its factorization.

55326511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94840.

The product of its digits is 4500, while the sum is 28.

The square root of 55326511 is about 7438.1792799045. The cubic root of 55326511 is about 381.0463107596.

Adding to 55326511 its reverse (11562355), we get a palindrome (66888866).

The spelling of 55326511 in words is "fifty-five million, three hundred twenty-six thousand, five hundred eleven".