56442677 has 4 divisors (see below), whose sum is σ = 56517996. Its totient is φ = 56367360.

The previous prime is 56442653. The next prime is 56442679. The reversal of 56442677 is 77624465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33651601 + 22791076 = 5801^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 56442677 - 2¹² = 56438581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56442679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36524 + ... + 38037.

It is an arithmetic number, because the mean of its divisors is an integer number (14129499).

Almost surely, 2^56442677 is an apocalyptic number.

It is an amenable number.

56442677 is a deficient number, since it is larger than the sum of its proper divisors (75319).

56442677 is an equidigital number, since it uses as much as digits as its factorization.

56442677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75318.

The product of its digits is 282240, while the sum is 41.

The square root of 56442677 is about 7512.8341523023. The cubic root of 56442677 is about 383.5916997142.

The spelling of 56442677 in words is "fifty-six million, four hundred forty-two thousand, six hundred seventy-seven".