54445669 has 4 divisors (see below), whose sum is σ = 56812896. Its totient is φ = 52078444.

The previous prime is 54445667. The next prime is 54445709. The reversal of 54445669 is 96654445.

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 54445669 - 2¹ = 54445667 is a prime.

It is a super-2 number, since 2×54445669² = 5928661745715122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54445667) 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, 1183579 + ... + 1183624.

It is an arithmetic number, because the mean of its divisors is an integer number (14203224).

Almost surely, 2^54445669 is an apocalyptic number.

It is an amenable number.

54445669 is a deficient number, since it is larger than the sum of its proper divisors (2367227).

54445669 is a wasteful number, since it uses less digits than its factorization.

54445669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367226.

The product of its digits is 518400, while the sum is 43.

The square root of 54445669 is about 7378.7308529313. The cubic root of 54445669 is about 379.0132965727.

The spelling of 54445669 in words is "fifty-four million, four hundred forty-five thousand, six hundred sixty-nine".