54640444324 has 12 divisors (see below), whose sum is σ = 97952991948. Its totient is φ = 26653875200.

The previous prime is 54640444319. The next prime is 54640444343. The reversal of 54640444324 is 42344404645.

It can be written as a sum of positive squares in 2 ways, for example, as 7703221824 + 46937222500 = 87768^2 + 216650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166586557 + ... + 166586884.

It is an arithmetic number, because the mean of its divisors is an integer number (8162749329).

Almost surely, 2^54640444324 is an apocalyptic number.

It is an amenable number.

54640444324 is a deficient number, since it is larger than the sum of its proper divisors (43312547624).

54640444324 is a wasteful number, since it uses less digits than its factorization.

54640444324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333173486 (or 333173484 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 54640444324 its reverse (42344404645), we get a palindrome (96984848969).

The spelling of 54640444324 in words is "fifty-four billion, six hundred forty million, four hundred forty-four thousand, three hundred twenty-four".