54066620 has 24 divisors (see below), whose sum is σ = 116610144. Its totient is φ = 21041856.

The previous prime is 54066619. The next prime is 54066637. The reversal of 54066620 is 2666045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35792 + ... + 37271.

It is an arithmetic number, because the mean of its divisors is an integer number (4858756).

Almost surely, 2^54066620 is an apocalyptic number.

It is an amenable number.

54066620 is an abundant number, since it is smaller than the sum of its proper divisors (62543524).

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

54066620 is a wasteful number, since it uses less digits than its factorization.

54066620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73109 (or 73107 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 54066620 is about 7353.0007479940. Note that the first 3 decimals coincide. The cubic root of 54066620 is about 378.1316880178.

The spelling of 54066620 in words is "fifty-four million, sixty-six thousand, six hundred twenty".