55411203 has 4 divisors (see below), whose sum is σ = 73881608. Its totient is φ = 36940800.

The previous prime is 55411193. The next prime is 55411217. The reversal of 55411203 is 30211455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55411203 - 2⁵ = 55411171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55411203.

It is not an unprimeable number, because it can be changed into a prime (55411303) 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, 9235198 + ... + 9235203.

It is an arithmetic number, because the mean of its divisors is an integer number (18470402).

Almost surely, 2^55411203 is an apocalyptic number.

55411203 is a deficient number, since it is larger than the sum of its proper divisors (18470405).

55411203 is a wasteful number, since it uses less digits than its factorization.

55411203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470404.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55411203 is about 7443.8701627581. The cubic root of 55411203 is about 381.2406426799.

Adding to 55411203 its reverse (30211455), we get a palindrome (85622658).

The spelling of 55411203 in words is "fifty-five million, four hundred eleven thousand, two hundred three".