54449569 has 4 divisors (see below), whose sum is σ = 54624960. Its totient is φ = 54274180.

The previous prime is 54449557. The next prime is 54449587. The reversal of 54449569 is 96594445.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96594445 = 5 ⋅19318889.

It is a cyclic number.

It is not a de Polignac number, because 54449569 - 2¹³ = 54441377 is a prime.

It is a super-2 number, since 2×54449569² = 5929511128571522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54449509) 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, 87229 + ... + 87850.

It is an arithmetic number, because the mean of its divisors is an integer number (13656240).

Almost surely, 2^54449569 is an apocalyptic number.

It is an amenable number.

54449569 is a deficient number, since it is larger than the sum of its proper divisors (175391).

54449569 is a wasteful number, since it uses less digits than its factorization.

54449569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175390.

The product of its digits is 777600, while the sum is 46.

The square root of 54449569 is about 7378.9951212885. The cubic root of 54449569 is about 379.0223460624.

The spelling of 54449569 in words is "fifty-four million, four hundred forty-nine thousand, five hundred sixty-nine".