55321235 has 8 divisors (see below), whose sum is σ = 67043376. Its totient is φ = 43818400.

The previous prime is 55321223. The next prime is 55321271. The reversal of 55321235 is 53212355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55321235 - 2¹⁰ = 55320211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54269 + ... + 55278.

It is an arithmetic number, because the mean of its divisors is an integer number (8380422).

Almost surely, 2^55321235 is an apocalyptic number.

55321235 is a deficient number, since it is larger than the sum of its proper divisors (11722141).

55321235 is a wasteful number, since it uses less digits than its factorization.

55321235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109653.

The product of its digits is 4500, while the sum is 26.

The square root of 55321235 is about 7437.8246147647. The cubic root of 55321235 is about 381.0341980358.

The spelling of 55321235 in words is "fifty-five million, three hundred twenty-one thousand, two hundred thirty-five".