66054023 has 4 divisors (see below), whose sum is σ = 75490320. Its totient is φ = 56617728.

The previous prime is 66054019. The next prime is 66054031. The reversal of 66054023 is 32045066.

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 66054023 - 2² = 66054019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66053983 and 66054001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66054623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718138 + ... + 4718151.

It is an arithmetic number, because the mean of its divisors is an integer number (18872580).

Almost surely, 2^66054023 is an apocalyptic number.

66054023 is a deficient number, since it is larger than the sum of its proper divisors (9436297).

66054023 is an equidigital number, since it uses as much as digits as its factorization.

66054023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436296.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 66054023 is about 8127.3626103429. The cubic root of 66054023 is about 404.2342345721.

Adding to 66054023 its reverse (32045066), we get a palindrome (98099089).

The spelling of 66054023 in words is "sixty-six million, fifty-four thousand, twenty-three".