55045049 has 4 divisors (see below), whose sum is σ = 57438336. Its totient is φ = 52651764.

The previous prime is 55045043. The next prime is 55045079. The reversal of 55045049 is 94054055.

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 55045049 - 2²⁰ = 53996473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55045043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196609 + ... + 1196654.

It is an arithmetic number, because the mean of its divisors is an integer number (14359584).

Almost surely, 2^55045049 is an apocalyptic number.

It is an amenable number.

55045049 is a deficient number, since it is larger than the sum of its proper divisors (2393287).

55045049 is a wasteful number, since it uses less digits than its factorization.

55045049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393286.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55045049 is about 7419.2350683881. The cubic root of 55045049 is about 380.3990475624.

The spelling of 55045049 in words is "fifty-five million, forty-five thousand, forty-nine".