56431825783 has 12 divisors (see below), whose sum is σ = 58767909928. Its totient is φ = 54184727520.

The previous prime is 56431825781. The next prime is 56431825837. The reversal of 56431825783 is 38752813465.

It is a happy number.

It is not a de Polignac number, because 56431825783 - 2¹ = 56431825781 is a prime.

It is a super-2 number, since 2×56431825783² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56431825783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56431825781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33141 + ... + 337582.

Almost surely, 2^56431825783 is an apocalyptic number.

56431825783 is a deficient number, since it is larger than the sum of its proper divisors (2336084145).

56431825783 is a wasteful number, since it uses less digits than its factorization.

56431825783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370962 (or 370933 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The spelling of 56431825783 in words is "fifty-six billion, four hundred thirty-one million, eight hundred twenty-five thousand, seven hundred eighty-three".