55238201 has 8 divisors (see below), whose sum is σ = 55703424. Its totient is φ = 54775440.

The previous prime is 55238191. The next prime is 55238231. The reversal of 55238201 is 10283255.

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 55238201 - 2¹⁰ = 55237177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55238231) 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, 85586 + ... + 86228.

It is an arithmetic number, because the mean of its divisors is an integer number (6962928).

Almost surely, 2^55238201 is an apocalyptic number.

It is an amenable number.

55238201 is a deficient number, since it is larger than the sum of its proper divisors (465223).

55238201 is a wasteful number, since it uses less digits than its factorization.

55238201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 55238201 is about 7432.2406446508. The cubic root of 55238201 is about 380.8434657540.

The spelling of 55238201 in words is "fifty-five million, two hundred thirty-eight thousand, two hundred one".