544355255961 has 12 divisors (see below), whose sum is σ = 857771918640. Its totient is φ = 329912276280.

The previous prime is 544355255893. The next prime is 544355256001. The reversal of 544355255961 is 169552553445.

544355255961 is a `hidden beast` number, since 5 + 4 + 4 + 3 + 5 + 525 + 59 + 61 = 666.

It is not a de Polignac number, because 544355255961 - 2²³ = 544346867353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544355255898 and 544355255907.

It is not an unprimeable number, because it can be changed into a prime (544355255161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2749268871 + ... + 2749269068.

It is an arithmetic number, because the mean of its divisors is an integer number (71480993220).

Almost surely, 2^544355255961 is an apocalyptic number.

It is an amenable number.

544355255961 is a deficient number, since it is larger than the sum of its proper divisors (313416662679).

544355255961 is a wasteful number, since it uses less digits than its factorization.

544355255961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498537956 (or 5498537953 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 54.

The spelling of 544355255961 in words is "five hundred forty-four billion, three hundred fifty-five million, two hundred fifty-five thousand, nine hundred sixty-one".