54449021 has 8 divisors (see below), whose sum is σ = 60213504. Its totient is φ = 48820320.

The previous prime is 54448991. The next prime is 54449033. The reversal of 54449021 is 12094445.

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 54449021 - 2²² = 50254717 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 (54449081) 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, 33101 + ... + 34706.

It is an arithmetic number, because the mean of its divisors is an integer number (7526688).

Almost surely, 2^54449021 is an apocalyptic number.

It is an amenable number.

54449021 is a deficient number, since it is larger than the sum of its proper divisors (5764483).

54449021 is a wasteful number, since it uses less digits than its factorization.

54449021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67891.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 54449021 is about 7378.9579887678. The cubic root of 54449021 is about 379.0210745191.

The spelling of 54449021 in words is "fifty-four million, four hundred forty-nine thousand, twenty-one".