54213066 has 24 divisors (see below), whose sum is σ = 120637764. Its totient is φ = 17582400.

The previous prime is 54213059. The next prime is 54213083. The reversal of 54213066 is 66031245.

It can be written as a sum of positive squares in 2 ways, for example, as 47817225 + 6395841 = 6915^2 + 2529^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40035 + ... + 41366.

Almost surely, 2^54213066 is an apocalyptic number.

54213066 is an abundant number, since it is smaller than the sum of its proper divisors (66424698).

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

54213066 is a wasteful number, since it uses less digits than its factorization.

54213066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81446 (or 81443 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 54213066 is about 7362.9522611518. The cubic root of 54213066 is about 378.4727854198.

The spelling of 54213066 in words is "fifty-four million, two hundred thirteen thousand, sixty-six".