54645444454646 has 16 divisors (see below), whose sum is σ = 83979944158320. Its totient is φ = 26652329003520.

The previous prime is 54645444454639. The next prime is 54645444454663. The reversal of 54645444454646 is 64645444454645.

It is a super-2 number, since 2×54645444454646² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49265216 + ... + 50362211.

It is an arithmetic number, because the mean of its divisors is an integer number (5248746509895).

Almost surely, 2^{54645444454646} is an apocalyptic number.

54645444454646 is a deficient number, since it is larger than the sum of its proper divisors (29334499703674).

54645444454646 is a wasteful number, since it uses less digits than its factorization.

54645444454646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99634159.

The product of its digits is 1769472000, while the sum is 65.

Subtracting 54645444454646 from its reverse (64645444454645), we obtain a palindrome (9999999999999).

The spelling of 54645444454646 in words is "fifty-four trillion, six hundred forty-five billion, four hundred forty-four million, four hundred fifty-four thousand, six hundred forty-six".