55530235 has 4 divisors (see below), whose sum is σ = 66636288. Its totient is φ = 44424184.

The previous prime is 55530227. The next prime is 55530253. The reversal of 55530235 is 53203555.

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 55530235 - 2³ = 55530227 is a prime.

It is a super-3 number, since 3×55530235³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553019 + ... + 5553028.

It is an arithmetic number, because the mean of its divisors is an integer number (16659072).

Almost surely, 2^55530235 is an apocalyptic number.

55530235 is a deficient number, since it is larger than the sum of its proper divisors (11106053).

55530235 is a wasteful number, since it uses less digits than its factorization.

55530235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106052.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 55530235 is about 7451.8611769141. The cubic root of 55530235 is about 381.5134357741.

The spelling of 55530235 in words is "fifty-five million, five hundred thirty thousand, two hundred thirty-five".