54648399 has 16 divisors (see below), whose sum is σ = 80296832. Its totient is φ = 32846688.

The previous prime is 54648379. The next prime is 54648409. The reversal of 54648399 is 99384645.

It is not a de Polignac number, because 54648399 - 2⁷ = 54648271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54648379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14617 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (5018552).

Almost surely, 2^54648399 is an apocalyptic number.

54648399 is a deficient number, since it is larger than the sum of its proper divisors (25648433).

54648399 is a wasteful number, since it uses less digits than its factorization.

54648399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32646.

The product of its digits is 933120, while the sum is 48.

The square root of 54648399 is about 7392.4555460280. The cubic root of 54648399 is about 379.4831361706.

The spelling of 54648399 in words is "fifty-four million, six hundred forty-eight thousand, three hundred ninety-nine".