54066651 has 4 divisors (see below), whose sum is σ = 72088872. Its totient is φ = 36044432.

The previous prime is 54066641. The next prime is 54066653. The reversal of 54066651 is 15666045.

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

It is a cyclic number.

It is not a de Polignac number, because 54066651 - 2⁵ = 54066619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54066653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9011106 + ... + 9011111.

It is an arithmetic number, because the mean of its divisors is an integer number (18022218).

Almost surely, 2^54066651 is an apocalyptic number.

54066651 is a deficient number, since it is larger than the sum of its proper divisors (18022221).

54066651 is a wasteful number, since it uses less digits than its factorization.

54066651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18022220.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 54066651 is about 7353.0028559766. The cubic root of 54066651 is about 378.1317602871.

The spelling of 54066651 in words is "fifty-four million, sixty-six thousand, six hundred fifty-one".