544657050561 has 16 divisors (see below), whose sum is σ = 828075878784. Its totient is φ = 315457476864.

The previous prime is 544657050559. The next prime is 544657050569. The reversal of 544657050561 is 165050756445.

It is not a de Polignac number, because 544657050561 - 2¹ = 544657050559 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 544657050561.

It is not an unprimeable number, because it can be changed into a prime (544657050569) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 410751261 + ... + 410752586.

It is an arithmetic number, because the mean of its divisors is an integer number (51754742424).

Almost surely, 2^544657050561 is an apocalyptic number.

544657050561 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

544657050561 is a deficient number, since it is larger than the sum of its proper divisors (283418828223).

544657050561 is a wasteful number, since it uses less digits than its factorization.

544657050561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821503880.

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 544657050561 in words is "five hundred forty-four billion, six hundred fifty-seven million, fifty thousand, five hundred sixty-one".