56785349 has 2 divisors, whose sum is σ = 56785350. Its totient is φ = 56785348.

The previous prime is 56785307. The next prime is 56785361. The reversal of 56785349 is 94358765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 6630625 = 7082^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 56785349 - 2²⁰ = 55736773 is a prime.

It is a super-2 number, since 2×56785349² = 6449151722103602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56788349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28392674 + 28392675.

It is an arithmetic number, because the mean of its divisors is an integer number (28392675).

Almost surely, 2^56785349 is an apocalyptic number.

It is an amenable number.

56785349 is a deficient number, since it is larger than the sum of its proper divisors (1).

56785349 is an equidigital number, since it uses as much as digits as its factorization.

56785349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 56785349 is about 7535.6054169522. The cubic root of 56785349 is about 384.3664150285.

The spelling of 56785349 in words is "fifty-six million, seven hundred eighty-five thousand, three hundred forty-nine".