56187737825 has 6 divisors (see below), whose sum is σ = 69672794934. Its totient is φ = 44950190240.

The previous prime is 56187737807. The next prime is 56187737831. The reversal of 56187737825 is 52873778165.

It can be written as a sum of positive squares in 3 ways, for example, as 812706064 + 55375031761 = 28508^2 + 235319^2 .

It is not a de Polignac number, because 56187737825 - 2⁶ = 56187737761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123754732 + ... + 1123754781.

It is an arithmetic number, because the mean of its divisors is an integer number (11612132489).

Almost surely, 2^56187737825 is an apocalyptic number.

It is an amenable number.

56187737825 is a deficient number, since it is larger than the sum of its proper divisors (13485057109).

56187737825 is a wasteful number, since it uses less digits than its factorization.

56187737825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247509523 (or 2247509518 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 59.

The spelling of 56187737825 in words is "fifty-six billion, one hundred eighty-seven million, seven hundred thirty-seven thousand, eight hundred twenty-five".