56627761 has 2 divisors, whose sum is σ = 56627762. Its totient is φ = 56627760.

The previous prime is 56627707. The next prime is 56627801. The reversal of 56627761 is 16772665.

It is a happy number.

It is an a-pointer prime, because the next prime (56627801) can be obtained adding 56627761 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37748736 + 18879025 = 6144^2 + 4345^2 .

It is a cyclic number.

It is not a de Polignac number, because 56627761 - 2¹³ = 56619569 is a prime.

It is not a weakly prime, because it can be changed into another prime (56624761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28313880 + 28313881.

It is an arithmetic number, because the mean of its divisors is an integer number (28313881).

Almost surely, 2^56627761 is an apocalyptic number.

It is an amenable number.

56627761 is a deficient number, since it is larger than the sum of its proper divisors (1).

56627761 is an equidigital number, since it uses as much as digits as its factorization.

56627761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 56627761 is about 7525.1419255719. The cubic root of 56627761 is about 384.0105271456.

The spelling of 56627761 in words is "fifty-six million, six hundred twenty-seven thousand, seven hundred sixty-one".