54440667 has 10 divisors (see below), whose sum is σ = 81325068. Its totient is φ = 36293724.

The previous prime is 54440663. The next prime is 54440689. The reversal of 54440667 is 76604445.

It is not a de Polignac number, because 54440667 - 2² = 54440663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54440663) 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 9 ways as a sum of consecutive naturals, for example, 335973 + ... + 336134.

Almost surely, 2^54440667 is an apocalyptic number.

54440667 is a deficient number, since it is larger than the sum of its proper divisors (26884401).

54440667 is an equidigital number, since it uses as much as digits as its factorization.

54440667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672119 (or 672110 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 54440667 is about 7378.3918979680. The cubic root of 54440667 is about 379.0016893894.

The spelling of 54440667 in words is "fifty-four million, four hundred forty thousand, six hundred sixty-seven".