54640466 has 32 divisors (see below), whose sum is σ = 90072000. Its totient is φ = 24760512.

The previous prime is 54640463. The next prime is 54640471. The reversal of 54640466 is 66404645.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54640463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197120 + ... + 197396.

It is an arithmetic number, because the mean of its divisors is an integer number (2814750).

Almost surely, 2^54640466 is an apocalyptic number.

54640466 is a deficient number, since it is larger than the sum of its proper divisors (35431534).

54640466 is a wasteful number, since it uses less digits than its factorization.

54640466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 54640466 is about 7391.9189660061. The cubic root of 54640466 is about 379.4647728062.

The spelling of 54640466 in words is "fifty-four million, six hundred forty thousand, four hundred sixty-six".