55424201 has 4 divisors (see below), whose sum is σ = 63341952. Its totient is φ = 47506452.

The previous prime is 55424179. The next prime is 55424203. The reversal of 55424201 is 10242455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55424201 - 2¹⁴ = 55407817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55424203) 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, 3958865 + ... + 3958878.

It is an arithmetic number, because the mean of its divisors is an integer number (15835488).

Almost surely, 2^55424201 is an apocalyptic number.

It is an amenable number.

55424201 is a deficient number, since it is larger than the sum of its proper divisors (7917751).

55424201 is an equidigital number, since it uses as much as digits as its factorization.

55424201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917750.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55424201 is about 7444.7431789149. The cubic root of 55424201 is about 381.2704500004.

Adding to 55424201 its reverse (10242455), we get a palindrome (65666656).

The spelling of 55424201 in words is "fifty-five million, four hundred twenty-four thousand, two hundred one".