56173481849 has 8 divisors (see below), whose sum is σ = 57483562752. Its totient is φ = 54863570160.

The previous prime is 56173481839. The next prime is 56173481863. The reversal of 56173481849 is 94818437165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56173481849 - 2³² = 51878514553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56173481794 and 56173481803.

It is not an unprimeable number, because it can be changed into a prime (56173481839) 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 7 ways as a sum of consecutive naturals, for example, 842552 + ... + 906774.

It is an arithmetic number, because the mean of its divisors is an integer number (7185445344).

Almost surely, 2^56173481849 is an apocalyptic number.

It is an amenable number.

56173481849 is a deficient number, since it is larger than the sum of its proper divisors (1310080903).

56173481849 is a wasteful number, since it uses less digits than its factorization.

56173481849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84607.

The product of its digits is 5806080, while the sum is 56.

The spelling of 56173481849 in words is "fifty-six billion, one hundred seventy-three million, four hundred eighty-one thousand, eight hundred forty-nine".