56152661 has 2 divisors, whose sum is σ = 56152662. Its totient is φ = 56152660.

The previous prime is 56152631. The next prime is 56152673. The reversal of 56152661 is 16625165.

56152661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41667025 + 14485636 = 6455^2 + 3806^2 .

It is a cyclic number.

It is not a de Polignac number, because 56152661 - 2⁶ = 56152597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56152631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28076330 + 28076331.

It is an arithmetic number, because the mean of its divisors is an integer number (28076331).

Almost surely, 2^56152661 is an apocalyptic number.

It is an amenable number.

56152661 is a deficient number, since it is larger than the sum of its proper divisors (1).

56152661 is an equidigital number, since it uses as much as digits as its factorization.

56152661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 56152661 is about 7493.5079235295. The cubic root of 56152661 is about 382.9335758662.

The spelling of 56152661 in words is "fifty-six million, one hundred fifty-two thousand, six hundred sixty-one".