55535203 has 4 divisors (see below), whose sum is σ = 57450240. Its totient is φ = 53620168.

The previous prime is 55535201. The next prime is 55535219. The reversal of 55535203 is 30253555.

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 55535203 - 2¹ = 55535201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55535201) 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, 957475 + ... + 957532.

It is an arithmetic number, because the mean of its divisors is an integer number (14362560).

Almost surely, 2^55535203 is an apocalyptic number.

55535203 is a deficient number, since it is larger than the sum of its proper divisors (1915037).

55535203 is a wasteful number, since it uses less digits than its factorization.

55535203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915036.

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

The square root of 55535203 is about 7452.1945090020. The cubic root of 55535203 is about 381.5248127728.

Adding to 55535203 its reverse (30253555), we get a palindrome (85788758).

The spelling of 55535203 in words is "fifty-five million, five hundred thirty-five thousand, two hundred three".