56173454541 has 6 divisors (see below), whose sum is σ = 81139434350. Its totient is φ = 37448969688.

The previous prime is 56173454509. The next prime is 56173454543. The reversal of 56173454541 is 14545437165.

It is a happy number.

56173454541 is a `hidden beast` number, since 5 + 61 + 7 + 3 + 4 + 545 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47528360100 + 8645094441 = 218010^2 + 92979^2 .

It is not a de Polignac number, because 56173454541 - 2⁵ = 56173454509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56173454543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3120747466 + ... + 3120747483.

Almost surely, 2^56173454541 is an apocalyptic number.

It is an amenable number.

56173454541 is a deficient number, since it is larger than the sum of its proper divisors (24965979809).

56173454541 is a wasteful number, since it uses less digits than its factorization.

56173454541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241494955 (or 6241494952 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 56173454541 in words is "fifty-six billion, one hundred seventy-three million, four hundred fifty-four thousand, five hundred forty-one".