54440749 has 16 divisors (see below), whose sum is σ = 63170496. Its totient is φ = 46368000.

The previous prime is 54440723. The next prime is 54440761. The reversal of 54440749 is 94704445.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54440749 - 2⁹ = 54440237 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 (54440549) 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, 51274 + ... + 52324.

It is an arithmetic number, because the mean of its divisors is an integer number (3948156).

Almost surely, 2^54440749 is an apocalyptic number.

It is an amenable number.

54440749 is a deficient number, since it is larger than the sum of its proper divisors (8729747).

54440749 is a wasteful number, since it uses less digits than its factorization.

54440749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 54440749 is about 7378.3974547323. The cubic root of 54440749 is about 379.0018796768.

The spelling of 54440749 in words is "fifty-four million, four hundred forty thousand, seven hundred forty-nine".