56767577 has 2 divisors, whose sum is σ = 56767578. Its totient is φ = 56767576.

The previous prime is 56767561. The next prime is 56767597. The reversal of 56767577 is 77576765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55190041 + 1577536 = 7429^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 56767577 - 2⁴ = 56767561 is a prime.

It is not a weakly prime, because it can be changed into another prime (56767517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28383788 + 28383789.

It is an arithmetic number, because the mean of its divisors is an integer number (28383789).

Almost surely, 2^56767577 is an apocalyptic number.

It is an amenable number.

56767577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56767577 is an equidigital number, since it uses as much as digits as its factorization.

56767577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160900, while the sum is 50.

The square root of 56767577 is about 7534.4261228046. The cubic root of 56767577 is about 384.3263127087.

The spelling of 56767577 in words is "fifty-six million, seven hundred sixty-seven thousand, five hundred seventy-seven".