54200066 has 4 divisors (see below), whose sum is σ = 81300102. Its totient is φ = 27100032.

The previous prime is 54200057. The next prime is 54200089. The reversal of 54200066 is 66000245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48094225 + 6105841 = 6935^2 + 2471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13550015 + ... + 13550018.

Almost surely, 2^54200066 is an apocalyptic number.

54200066 is a deficient number, since it is larger than the sum of its proper divisors (27100036).

54200066 is a wasteful number, since it uses less digits than its factorization.

54200066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100035.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54200066 is about 7362.0694101591. The cubic root of 54200066 is about 378.4425310925.

The spelling of 54200066 in words is "fifty-four million, two hundred thousand, sixty-six".