54555459646 has 8 divisors (see below), whose sum is σ = 81834181200. Its totient is φ = 27277399248.

The previous prime is 54555459641. The next prime is 54555459683. The reversal of 54555459646 is 64695455545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555459641) 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, 231655 + ... + 403453.

It is an arithmetic number, because the mean of its divisors is an integer number (10229272650).

Almost surely, 2^54555459646 is an apocalyptic number.

54555459646 is a deficient number, since it is larger than the sum of its proper divisors (27278721554).

54555459646 is a wasteful number, since it uses less digits than its factorization.

54555459646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330578.

The product of its digits is 64800000, while the sum is 58.

The spelling of 54555459646 in words is "fifty-four billion, five hundred fifty-five million, four hundred fifty-nine thousand, six hundred forty-six".