54201240644 has 12 divisors (see below), whose sum is σ = 99844390800. Its totient is φ = 25674271848.

The previous prime is 54201240629. The next prime is 54201240649. The reversal of 54201240644 is 44604210245.

It is a self number, because there is not a number n which added to its sum of digits gives 54201240644.

It is not an unprimeable number, because it can be changed into a prime (54201240649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356587034 + ... + 356587185.

It is an arithmetic number, because the mean of its divisors is an integer number (8320365900).

Almost surely, 2^54201240644 is an apocalyptic number.

It is an amenable number.

54201240644 is a deficient number, since it is larger than the sum of its proper divisors (45643150156).

54201240644 is a wasteful number, since it uses less digits than its factorization.

54201240644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713174242 (or 713174240 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 54201240644 its reverse (44604210245), we get a palindrome (98805450889).

The spelling of 54201240644 in words is "fifty-four billion, two hundred one million, two hundred forty thousand, six hundred forty-four".