54421066 has 24 divisors (see below), whose sum is σ = 95294880. Its totient is φ = 23308908.

The previous prime is 54421061. The next prime is 54421091. The reversal of 54421066 is 66012445.

It is not an unprimeable number, because it can be changed into a prime (54421061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32805 + ... + 34423.

It is an arithmetic number, because the mean of its divisors is an integer number (3970620).

Almost surely, 2^54421066 is an apocalyptic number.

54421066 is a deficient number, since it is larger than the sum of its proper divisors (40873814).

54421066 is an frugal number, since it uses more digits than its factorization.

54421066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 54421066 is about 7377.0635079278. The cubic root of 54421066 is about 378.9561982504.

The spelling of 54421066 in words is "fifty-four million, four hundred twenty-one thousand, sixty-six".