56655749 has 2 divisors, whose sum is σ = 56655750. Its totient is φ = 56655748.

The previous prime is 56655737. The next prime is 56655761. The reversal of 56655749 is 94755665.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (56655737) and next prime (56655761).

It can be written as a sum of positive squares in only one way, i.e., 45995524 + 10660225 = 6782^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 56655749 - 2⁴ = 56655733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56655779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28327874 + 28327875.

It is an arithmetic number, because the mean of its divisors is an integer number (28327875).

Almost surely, 2^56655749 is an apocalyptic number.

It is an amenable number.

56655749 is a deficient number, since it is larger than the sum of its proper divisors (1).

56655749 is an equidigital number, since it uses as much as digits as its factorization.

56655749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The square root of 56655749 is about 7527.0013285504. The cubic root of 56655749 is about 384.0737818477.

The spelling of 56655749 in words is "fifty-six million, six hundred fifty-five thousand, seven hundred forty-nine".