54819649 has 8 divisors (see below), whose sum is σ = 58283712. Its totient is φ = 51445680.

The previous prime is 54819643. The next prime is 54819689. The reversal of 54819649 is 94691845.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54819649 - 2⁷ = 54819521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54819599 and 54819608.

It is not an unprimeable number, because it can be changed into a prime (54819643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21267 + ... + 23704.

It is an arithmetic number, because the mean of its divisors is an integer number (7285464).

Almost surely, 2^54819649 is an apocalyptic number.

It is an amenable number.

54819649 is a deficient number, since it is larger than the sum of its proper divisors (3464063).

54819649 is a wasteful number, since it uses less digits than its factorization.

54819649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45047.

The product of its digits is 311040, while the sum is 46.

The square root of 54819649 is about 7404.0292408931. The cubic root of 54819649 is about 379.8791143642.

The spelling of 54819649 in words is "fifty-four million, eight hundred nineteen thousand, six hundred forty-nine".