55301133 has 4 divisors (see below), whose sum is σ = 73734848. Its totient is φ = 36867420.

The previous prime is 55301123. The next prime is 55301161. The reversal of 55301133 is 33110355.

It is a happy number.

55301133 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 55301133 - 2¹⁷ = 55170061 is a prime.

It is a super-2 number, since 2×55301133² = 6116430622167378, which contains 22 as substring.

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 (55301123) 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, 9216853 + ... + 9216858.

It is an arithmetic number, because the mean of its divisors is an integer number (18433712).

Almost surely, 2^55301133 is an apocalyptic number.

It is an amenable number.

55301133 is a deficient number, since it is larger than the sum of its proper divisors (18433715).

55301133 is a wasteful number, since it uses less digits than its factorization.

55301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18433714.

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

The square root of 55301133 is about 7436.4731560061. The cubic root of 55301133 is about 380.9880404896.

Adding to 55301133 its reverse (33110355), we get a palindrome (88411488).

The spelling of 55301133 in words is "fifty-five million, three hundred one thousand, one hundred thirty-three".