55283189 has 4 divisors (see below), whose sum is σ = 59535756. Its totient is φ = 51030624.

The previous prime is 55283183. The next prime is 55283197. The reversal of 55283189 is 98138255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14002564 + 41280625 = 3742^2 + 6425^2 .

It is a cyclic number.

It is not a de Polignac number, because 55283189 - 2⁸ = 55282933 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 (55283183) 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, 2126264 + ... + 2126289.

It is an arithmetic number, because the mean of its divisors is an integer number (14883939).

Almost surely, 2^55283189 is an apocalyptic number.

It is an amenable number.

55283189 is a deficient number, since it is larger than the sum of its proper divisors (4252567).

55283189 is a wasteful number, since it uses less digits than its factorization.

55283189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252566.

The product of its digits is 86400, while the sum is 41.

The square root of 55283189 is about 7435.2665722219. The cubic root of 55283189 is about 380.9468286217.

The spelling of 55283189 in words is "fifty-five million, two hundred eighty-three thousand, one hundred eighty-nine".