54445420437644 has 48 divisors (see below), whose sum is σ = 97313086686816. Its totient is φ = 26647400448000.

The previous prime is 54445420437623. The next prime is 54445420437649. The reversal of 54445420437644 is 44673402454445.

It is a self number, because there is not a number n which added to its sum of digits gives 54445420437644.

It is not an unprimeable number, because it can be changed into a prime (54445420437649) 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, 168295244 + ... + 168618444.

It is an arithmetic number, because the mean of its divisors is an integer number (2027355972642).

Almost surely, 2^{54445420437644} is an apocalyptic number.

It is an amenable number.

54445420437644 is a deficient number, since it is larger than the sum of its proper divisors (42867666249172).

54445420437644 is a wasteful number, since it uses less digits than its factorization.

54445420437644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327626 (or 327624 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 56.

The spelling of 54445420437644 in words is "fifty-four trillion, four hundred forty-five billion, four hundred twenty million, four hundred thirty-seven thousand, six hundred forty-four".