56433648751 has 2 divisors, whose sum is σ = 56433648752. Its totient is φ = 56433648750.

The previous prime is 56433648731. The next prime is 56433648767. The reversal of 56433648751 is 15784633465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56433648751 is a prime.

It is a super-2 number, since 2×56433648751² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56433648731) 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 as a sum of consecutive naturals, namely, 28216824375 + 28216824376.

It is an arithmetic number, because the mean of its divisors is an integer number (28216824376).

Almost surely, 2^56433648751 is an apocalyptic number.

56433648751 is a deficient number, since it is larger than the sum of its proper divisors (1).

56433648751 is an equidigital number, since it uses as much as digits as its factorization.

56433648751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 52.

The spelling of 56433648751 in words is "fifty-six billion, four hundred thirty-three million, six hundred forty-eight thousand, seven hundred fifty-one".