56143506825 has 288 divisors, whose sum is σ = 125766950400. Its totient is φ = 23357030400.

The previous prime is 56143506823. The next prime is 56143506827. The reversal of 56143506825 is 52860534165.

56143506825 is a `hidden beast` number, since 5 + 61 + 4 + 3 + 506 + 82 + 5 = 666.

56143506825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56143506823) and next prime (56143506827).

It is not a de Polignac number, because 56143506825 - 2¹ = 56143506823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56143506823) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 218457097 + ... + 218457353.

It is an arithmetic number, because the mean of its divisors is an integer number (436690800).

Almost surely, 2^56143506825 is an apocalyptic number.

It is an amenable number.

56143506825 is an abundant number, since it is smaller than the sum of its proper divisors (69623443575).

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

56143506825 is a wasteful number, since it uses less digits than its factorization.

56143506825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 56143506825 in words is "fifty-six billion, one hundred forty-three million, five hundred six thousand, eight hundred twenty-five".