55331301 has 4 divisors (see below), whose sum is σ = 73775072. Its totient is φ = 36887532.

The previous prime is 55331293. The next prime is 55331303. The reversal of 55331301 is 10313355.

It is a happy number.

55331301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55331301 - 2³ = 55331293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55331303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9221881 + ... + 9221886.

It is an arithmetic number, because the mean of its divisors is an integer number (18443768).

Almost surely, 2^55331301 is an apocalyptic number.

It is an amenable number.

55331301 is a deficient number, since it is larger than the sum of its proper divisors (18443771).

55331301 is a wasteful number, since it uses less digits than its factorization.

55331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443770.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 55331301 is about 7438.5012603346. The cubic root of 55331301 is about 381.0573070501.

Adding to 55331301 its reverse (10313355), we get a palindrome (65644656).

The spelling of 55331301 in words is "fifty-five million, three hundred thirty-one thousand, three hundred one".