55203535 has 4 divisors (see below), whose sum is σ = 66244248. Its totient is φ = 44162824.

The previous prime is 55203523. The next prime is 55203553. The reversal of 55203535 is 53530255.

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 55203535 - 2⁹ = 55203023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520349 + ... + 5520358.

It is an arithmetic number, because the mean of its divisors is an integer number (16561062).

Almost surely, 2^55203535 is an apocalyptic number.

55203535 is a deficient number, since it is larger than the sum of its proper divisors (11040713).

55203535 is a wasteful number, since it uses less digits than its factorization.

55203535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040712.

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

The square root of 55203535 is about 7429.9081420970. The cubic root of 55203535 is about 380.7637800648.

The spelling of 55203535 in words is "fifty-five million, two hundred three thousand, five hundred thirty-five".