54811844518 has 16 divisors (see below), whose sum is σ = 86744916720. Its totient is φ = 25903535616.

The previous prime is 54811844497. The next prime is 54811844561. The reversal of 54811844518 is 81544811845.

It is a happy number.

54811844518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1649155 + ... + 1682062.

It is an arithmetic number, because the mean of its divisors is an integer number (5421557295).

Almost surely, 2^54811844518 is an apocalyptic number.

54811844518 is a deficient number, since it is larger than the sum of its proper divisors (31933072202).

54811844518 is a wasteful number, since it uses less digits than its factorization.

54811844518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331671.

The product of its digits is 819200, while the sum is 49.

The spelling of 54811844518 in words is "fifty-four billion, eight hundred eleven million, eight hundred forty-four thousand, five hundred eighteen".