56567783 has 4 divisors (see below), whose sum is σ = 58096680. Its totient is φ = 55038888.

The previous prime is 56567779. The next prime is 56567803. The reversal of 56567783 is 38776565.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56567783 - 2² = 56567779 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 (56567083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764393 + ... + 764466.

It is an arithmetic number, because the mean of its divisors is an integer number (14524170).

Almost surely, 2^56567783 is an apocalyptic number.

56567783 is a deficient number, since it is larger than the sum of its proper divisors (1528897).

56567783 is a wasteful number, since it uses less digits than its factorization.

56567783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528896.

The product of its digits is 1058400, while the sum is 47.

The square root of 56567783 is about 7521.1556957691. The cubic root of 56567783 is about 383.8749027369.

The spelling of 56567783 in words is "fifty-six million, five hundred sixty-seven thousand, seven hundred eighty-three".