55190201 has 8 divisors (see below), whose sum is σ = 60261408. Its totient is φ = 50128000.

The previous prime is 55190197. The next prime is 55190203. The reversal of 55190201 is 10209155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55190201 - 2² = 55190197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55190203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21686 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (7532676).

Almost surely, 2^55190201 is an apocalyptic number.

It is an amenable number.

55190201 is a deficient number, since it is larger than the sum of its proper divisors (5071207).

55190201 is a wasteful number, since it uses less digits than its factorization.

55190201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 55190201 is about 7429.0107686017. The cubic root of 55190201 is about 380.7331207173.

Adding to 55190201 its reverse (10209155), we get a palindrome (65399356).

The spelling of 55190201 in words is "fifty-five million, one hundred ninety thousand, two hundred one".