55532203 has 2 divisors, whose sum is σ = 55532204. Its totient is φ = 55532202.

The previous prime is 55532179. The next prime is 55532219. The reversal of 55532203 is 30223555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55532203 - 2⁵ = 55532171 is a prime.

It is not a weakly prime, because it can be changed into another prime (55532233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27766101 + 27766102.

It is an arithmetic number, because the mean of its divisors is an integer number (27766102).

Almost surely, 2^55532203 is an apocalyptic number.

55532203 is a deficient number, since it is larger than the sum of its proper divisors (1).

55532203 is an equidigital number, since it uses as much as digits as its factorization.

55532203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 55532203 is about 7451.9932232927. The cubic root of 55532203 is about 381.5179426857.

Adding to 55532203 its reverse (30223555), we get a palindrome (85755758).

The spelling of 55532203 in words is "fifty-five million, five hundred thirty-two thousand, two hundred three".