55090333 has 4 divisors (see below), whose sum is σ = 55143900. Its totient is φ = 55036768.

The previous prime is 55090327. The next prime is 55090339. The reversal of 55090333 is 33309055.

55090333 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.

It is an interprime number because it is at equal distance from previous prime (55090327) and next prime (55090339).

It can be written as a sum of positive squares in 2 ways, for example, as 38663524 + 16426809 = 6218^2 + 4053^2 .

It is a cyclic number.

It is not a de Polignac number, because 55090333 - 2¹³ = 55082141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55090339) 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, 25210 + ... + 27307.

It is an arithmetic number, because the mean of its divisors is an integer number (13785975).

Almost surely, 2^55090333 is an apocalyptic number.

It is an amenable number.

55090333 is a deficient number, since it is larger than the sum of its proper divisors (53567).

55090333 is a wasteful number, since it uses less digits than its factorization.

55090333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53566.

The product of its (nonzero) digits is 6075, while the sum is 28.

The square root of 55090333 is about 7422.2862380806. The cubic root of 55090333 is about 380.5033334710.

Adding to 55090333 its reverse (33309055), we get a palindrome (88399388).

The spelling of 55090333 in words is "fifty-five million, ninety thousand, three hundred thirty-three".