54644220541 has 4 divisors (see below), whose sum is σ = 54644899900. Its totient is φ = 54643541184.

The previous prime is 54644220523. The next prime is 54644220557. The reversal of 54644220541 is 14502244645.

54644220541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43578232516 + 11065988025 = 208754^2 + 105195^2 .

It is a cyclic number.

It is not a de Polignac number, because 54644220541 - 2⁷ = 54644220413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54644220541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54644223541) 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, 199836 + ... + 386293.

It is an arithmetic number, because the mean of its divisors is an integer number (13661224975).

Almost surely, 2^54644220541 is an apocalyptic number.

It is an amenable number.

54644220541 is a deficient number, since it is larger than the sum of its proper divisors (679359).

54644220541 is an equidigital number, since it uses as much as digits as its factorization.

54644220541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679358.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 54644220541 in words is "fifty-four billion, six hundred forty-four million, two hundred twenty thousand, five hundred forty-one".