56146644444 has 48 divisors (see below), whose sum is σ = 143308279296. Its totient is φ = 16967760000.

The previous prime is 56146644443. The next prime is 56146644461. The reversal of 56146644444 is 44444664165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56146644393 and 56146644402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56146644443) 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 15 ways as a sum of consecutive naturals, for example, 531057 + ... + 627944.

It is an arithmetic number, because the mean of its divisors is an integer number (2985589152).

Almost surely, 2^56146644444 is an apocalyptic number.

It is an amenable number.

56146644444 is an abundant number, since it is smaller than the sum of its proper divisors (87161634852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56146644444 is a wasteful number, since it uses less digits than its factorization.

56146644444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159386 (or 1159384 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 48.

The spelling of 56146644444 in words is "fifty-six billion, one hundred forty-six million, six hundred forty-four thousand, four hundred forty-four".