56784248531 has 2 divisors, whose sum is σ = 56784248532. Its totient is φ = 56784248530.

The previous prime is 56784248519. The next prime is 56784248539. The reversal of 56784248531 is 13584248765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56784248531 - 2¹⁴ = 56784232147 is a prime.

It is a super-2 number, since 2×56784248531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56784248539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28392124265 + 28392124266.

It is an arithmetic number, because the mean of its divisors is an integer number (28392124266).

Almost surely, 2^56784248531 is an apocalyptic number.

56784248531 is a deficient number, since it is larger than the sum of its proper divisors (1).

56784248531 is an equidigital number, since it uses as much as digits as its factorization.

56784248531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 53.

The spelling of 56784248531 in words is "fifty-six billion, seven hundred eighty-four million, two hundred forty-eight thousand, five hundred thirty-one".