54463666 has 4 divisors (see below), whose sum is σ = 81695502. Its totient is φ = 27231832.

The previous prime is 54463663. The next prime is 54463681. The reversal of 54463666 is 66636445.

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., 52258441 + 2205225 = 7229^2 + 1485^2 .

It is not an unprimeable number, because it can be changed into a prime (54463663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13615915 + ... + 13615918.

Almost surely, 2^54463666 is an apocalyptic number.

54463666 is a deficient number, since it is larger than the sum of its proper divisors (27231836).

54463666 is a wasteful number, since it uses less digits than its factorization.

54463666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27231835.

The product of its digits is 311040, while the sum is 40.

The square root of 54463666 is about 7379.9502708352. The cubic root of 54463666 is about 379.0550528837.

The spelling of 54463666 in words is "fifty-four million, four hundred sixty-three thousand, six hundred sixty-six".