56444739732278 has 8 divisors (see below), whose sum is σ = 84667273039800. Its totient is φ = 28222315385680.

The previous prime is 56444739732253. The next prime is 56444739732439. The reversal of 56444739732278 is 87223793744465.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25932608 + ... + 28024803.

It is an arithmetic number, because the mean of its divisors is an integer number (10583409129975).

Almost surely, 2^{56444739732278} is an apocalyptic number.

56444739732278 is a deficient number, since it is larger than the sum of its proper divisors (28222533307522).

56444739732278 is a wasteful number, since it uses less digits than its factorization.

56444739732278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54480462.

The product of its digits is 1706987520, while the sum is 71.

The spelling of 56444739732278 in words is "fifty-six trillion, four hundred forty-four billion, seven hundred thirty-nine million, seven hundred thirty-two thousand, two hundred seventy-eight".