54556456645 has 16 divisors (see below), whose sum is σ = 68924016000. Its totient is φ = 41341693248.

The previous prime is 54556456621. The next prime is 54556456649. The reversal of 54556456645 is 54665465545.

It is not a de Polignac number, because 54556456645 - 2⁹ = 54556456133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54556456649) 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, 630936 + ... + 712174.

It is an arithmetic number, because the mean of its divisors is an integer number (4307751000).

Almost surely, 2^54556456645 is an apocalyptic number.

It is an amenable number.

54556456645 is a deficient number, since it is larger than the sum of its proper divisors (14367559355).

54556456645 is a wasteful number, since it uses less digits than its factorization.

54556456645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88332.

The product of its digits is 43200000, while the sum is 55.

The spelling of 54556456645 in words is "fifty-four billion, five hundred fifty-six million, four hundred fifty-six thousand, six hundred forty-five".