54464399 has 24 divisors (see below), whose sum is σ = 62537664. Its totient is φ = 47361600.

The previous prime is 54464387. The next prime is 54464411. The reversal of 54464399 is 99346445.

It is a happy number.

It is a Cunningham number, because it is equal to 7380²-1.

It is an interprime number because it is at equal distance from previous prime (54464387) and next prime (54464411).

It is not a de Polignac number, because 54464399 - 2⁴ = 54464383 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54464329) 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 23 ways as a sum of consecutive naturals, for example, 346829 + ... + 346985.

It is an arithmetic number, because the mean of its divisors is an integer number (2605736).

Almost surely, 2^54464399 is an apocalyptic number.

54464399 is a deficient number, since it is larger than the sum of its proper divisors (8073265).

54464399 is a wasteful number, since it uses less digits than its factorization.

54464399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 54464399 is about 7379.9999322493. Note that the first 4 decimals coincide. The cubic root of 54464399 is about 379.0567533819.

The spelling of 54464399 in words is "fifty-four million, four hundred sixty-four thousand, three hundred ninety-nine".