56144565242 has 32 divisors (see below), whose sum is σ = 92688261120. Its totient is φ = 25387726320.

The previous prime is 56144565161. The next prime is 56144565251. The reversal of 56144565242 is 24256544165.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56144565193 and 56144565202.

It is an unprimeable number.

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, 375767 + ... + 503477.

It is an arithmetic number, because the mean of its divisors is an integer number (2896508160).

Almost surely, 2^56144565242 is an apocalyptic number.

56144565242 is a deficient number, since it is larger than the sum of its proper divisors (36543695878).

56144565242 is a wasteful number, since it uses less digits than its factorization.

56144565242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128258.

The product of its digits is 1152000, while the sum is 44.

The spelling of 56144565242 in words is "fifty-six billion, one hundred forty-four million, five hundred sixty-five thousand, two hundred forty-two".