54405066 has 32 divisors (see below), whose sum is σ = 115613568. Its totient is φ = 17008640.

The previous prime is 54405041. The next prime is 54405067. The reversal of 54405066 is 66050445.

It is a super-2 number, since 2×54405066² = 5919822412928712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54405067) 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, 35251 + ... + 36761.

It is an arithmetic number, because the mean of its divisors is an integer number (3612924).

Almost surely, 2^54405066 is an apocalyptic number.

54405066 is an abundant number, since it is smaller than the sum of its proper divisors (61208502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54405066 is a wasteful number, since it uses less digits than its factorization.

54405066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 54405066 is about 7375.9789858703. The cubic root of 54405066 is about 378.9190564232.

The spelling of 54405066 in words is "fifty-four million, four hundred five thousand, sixty-six".