55054609 has 4 divisors (see below), whose sum is σ = 57952240. Its totient is φ = 52156980.

The previous prime is 55054583. The next prime is 55054613. The reversal of 55054609 is 90645055.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 55054609 - 2²⁵ = 21500177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55054639) 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, 1448787 + ... + 1448824.

It is an arithmetic number, because the mean of its divisors is an integer number (14488060).

Almost surely, 2^55054609 is an apocalyptic number.

It is an amenable number.

55054609 is a deficient number, since it is larger than the sum of its proper divisors (2897631).

55054609 is a wasteful number, since it uses less digits than its factorization.

55054609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897630.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55054609 is about 7419.8793116869. The cubic root of 55054609 is about 380.4210683403.

The spelling of 55054609 in words is "fifty-five million, fifty-four thousand, six hundred nine".