54663510406 has 4 divisors (see below), whose sum is σ = 81995265612. Its totient is φ = 27331755202.

The previous prime is 54663510371. The next prime is 54663510431. The reversal of 54663510406 is 60401536645.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13665877600 + ... + 13665877603.

It is an arithmetic number, because the mean of its divisors is an integer number (20498816403).

Almost surely, 2^54663510406 is an apocalyptic number.

54663510406 is a deficient number, since it is larger than the sum of its proper divisors (27331755206).

54663510406 is a wasteful number, since it uses less digits than its factorization.

54663510406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27331755205.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 54663510406 in words is "fifty-four billion, six hundred sixty-three million, five hundred ten thousand, four hundred six".