55729573945 has 8 divisors (see below), whose sum is σ = 67385989440. Its totient is φ = 44243325360.

The previous prime is 55729573931. The next prime is 55729573969. The reversal of 55729573945 is 54937592755.

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

It is not a de Polignac number, because 55729573945 - 2¹⁵ = 55729541177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42541005 + ... + 42542314.

It is an arithmetic number, because the mean of its divisors is an integer number (8423248680).

Almost surely, 2^55729573945 is an apocalyptic number.

It is an amenable number.

55729573945 is a deficient number, since it is larger than the sum of its proper divisors (11656415495).

55729573945 is a wasteful number, since it uses less digits than its factorization.

55729573945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85083455.

The product of its digits is 59535000, while the sum is 61.

The spelling of 55729573945 in words is "fifty-five billion, seven hundred twenty-nine million, five hundred seventy-three thousand, nine hundred forty-five".