54051815044 has 24 divisors (see below), whose sum is σ = 100223946648. Its totient is φ = 25418595840.

The previous prime is 54051814961. The next prime is 54051815117. The reversal of 54051815044 is 44051815045.

It can be written as a sum of positive squares in 4 ways, for example, as 42287809600 + 11764005444 = 205640^2 + 108462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54051814994 and 54051815012.

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 in 7 ways as a sum of consecutive naturals, for example, 174727 + ... + 372334.

It is an arithmetic number, because the mean of its divisors is an integer number (4175997777).

Almost surely, 2^54051815044 is an apocalyptic number.

It is an amenable number.

54051815044 is a deficient number, since it is larger than the sum of its proper divisors (46172131604).

54051815044 is a wasteful number, since it uses less digits than its factorization.

54051815044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548535 (or 548533 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

Subtracting from 54051815044 its reverse (44051815045), we obtain a palindrome (9999999999).

The spelling of 54051815044 in words is "fifty-four billion, fifty-one million, eight hundred fifteen thousand, forty-four".