55444201 has 8 divisors (see below), whose sum is σ = 58439880. Its totient is φ = 52520832.

The previous prime is 55444199. The next prime is 55444217. The reversal of 55444201 is 10244455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26832400 + 28611801 = 5180^2 + 5349^2 .

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 55444201 - 2¹ = 55444199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55444001) 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, 16500 + ... + 19573.

It is an arithmetic number, because the mean of its divisors is an integer number (7304985).

Almost surely, 2^55444201 is an apocalyptic number.

It is an amenable number.

55444201 is a deficient number, since it is larger than the sum of its proper divisors (2995679).

55444201 is a wasteful number, since it uses less digits than its factorization.

55444201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36155.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 55444201 is about 7446.0862874399. The cubic root of 55444201 is about 381.3163053718.

Adding to 55444201 its reverse (10244455), we get a palindrome (65688656).

The spelling of 55444201 in words is "fifty-five million, four hundred forty-four thousand, two hundred one".