56783011 has 2 divisors, whose sum is σ = 56783012. Its totient is φ = 56783010.

The previous prime is 56782993. The next prime is 56783017. The reversal of 56783011 is 11038765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56783011 - 2¹¹ = 56780963 is a prime.

It is a super-2 number, since 2×56783011² = 6448620676452242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56783017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28391505 + 28391506.

It is an arithmetic number, because the mean of its divisors is an integer number (28391506).

Almost surely, 2^56783011 is an apocalyptic number.

56783011 is a deficient number, since it is larger than the sum of its proper divisors (1).

56783011 is an equidigital number, since it uses as much as digits as its factorization.

56783011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 56783011 is about 7535.4502851522. The cubic root of 56783011 is about 384.3611398356.

The spelling of 56783011 in words is "fifty-six million, seven hundred eighty-three thousand, eleven".