56172593146 has 16 divisors (see below), whose sum is σ = 85162581504. Its totient is φ = 27785615184.

The previous prime is 56172593143. The next prime is 56172593167. The reversal of 56172593146 is 64139527165.

It is a self number, because there is not a number n which added to its sum of digits gives 56172593146.

It is not an unprimeable number, because it can be changed into a prime (56172593143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68631 + ... + 342133.

It is an arithmetic number, because the mean of its divisors is an integer number (5322661344).

Almost surely, 2^56172593146 is an apocalyptic number.

56172593146 is a deficient number, since it is larger than the sum of its proper divisors (28989988358).

56172593146 is a wasteful number, since it uses less digits than its factorization.

56172593146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274605.

The product of its digits is 1360800, while the sum is 49.

The spelling of 56172593146 in words is "fifty-six billion, one hundred seventy-two million, five hundred ninety-three thousand, one hundred forty-six".