55323201 has 16 divisors (see below), whose sum is σ = 74926080. Its totient is φ = 36305280.

The previous prime is 55323199. The next prime is 55323209. The reversal of 55323201 is 10232355.

It is not a de Polignac number, because 55323201 - 2¹ = 55323199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55323209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101991 + ... + 102531.

It is an arithmetic number, because the mean of its divisors is an integer number (4682880).

Almost surely, 2^55323201 is an apocalyptic number.

It is an amenable number.

55323201 is a deficient number, since it is larger than the sum of its proper divisors (19602879).

55323201 is a wasteful number, since it uses less digits than its factorization.

55323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55323201 is about 7437.9567758895. The cubic root of 55323201 is about 381.0387116995.

Adding to 55323201 its reverse (10232355), we get a palindrome (65555556).

The spelling of 55323201 in words is "fifty-five million, three hundred twenty-three thousand, two hundred one".