55205524403 has 4 divisors (see below), whose sum is σ = 55287554088. Its totient is φ = 55123494720.

The previous prime is 55205524397. The next prime is 55205524441. The reversal of 55205524403 is 30442550255.

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 55205524403 - 2⁸ = 55205524147 is a prime.

It is a super-2 number, since 2×55205524403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55205524603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41013833 + ... + 41015178.

It is an arithmetic number, because the mean of its divisors is an integer number (13821888522).

Almost surely, 2^55205524403 is an apocalyptic number.

55205524403 is a deficient number, since it is larger than the sum of its proper divisors (82029685).

55205524403 is an equidigital number, since it uses as much as digits as its factorization.

55205524403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82029684.

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 55205524403 in words is "fifty-five billion, two hundred five million, five hundred twenty-four thousand, four hundred three".