56144425061 has 8 divisors (see below), whose sum is σ = 57520751064. Its totient is φ = 54768430080.

The previous prime is 56144425033. The next prime is 56144425069. The reversal of 56144425061 is 16052444165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55502500 + 56088922561 = 7450^2 + 236831^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56144425061 - 2³⁰ = 55070683237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56144425069) 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 7 ways as a sum of consecutive naturals, for example, 279851 + ... + 436583.

It is an arithmetic number, because the mean of its divisors is an integer number (7190093883).

Almost surely, 2^56144425061 is an apocalyptic number.

It is an amenable number.

56144425061 is a deficient number, since it is larger than the sum of its proper divisors (1376326003).

56144425061 is a wasteful number, since it uses less digits than its factorization.

56144425061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165511.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 56144425061 in words is "fifty-six billion, one hundred forty-four million, four hundred twenty-five thousand, sixty-one".