56736751 has 2 divisors, whose sum is σ = 56736752. Its totient is φ = 56736750.

The previous prime is 56736721. The next prime is 56736761. The reversal of 56736751 is 15763765.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56736751 - 2¹⁹ = 56212463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56736721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28368375 + 28368376.

It is an arithmetic number, because the mean of its divisors is an integer number (28368376).

Almost surely, 2^56736751 is an apocalyptic number.

56736751 is a deficient number, since it is larger than the sum of its proper divisors (1).

56736751 is an equidigital number, since it uses as much as digits as its factorization.

56736751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 56736751 is about 7532.3801683133. The cubic root of 56736751 is about 384.2567343295.

The spelling of 56736751 in words is "fifty-six million, seven hundred thirty-six thousand, seven hundred fifty-one".